refactor(NgZoneImpl): ensure zone spec is available
refactor(NgZoneImpl): ensure zone spec is available

trace could be true (in dev mode) while there is no long stack trace spec
Closes #7702

vamsivarikuti/angular,royling/angular,AlmogShaul/angular,angularbrasil/angular,royling/angular,alexpods/angular,vikerman/angular,UIUXEngineering/angular,laskoviymishka/angular,kara/angular,UIUXEngineering-Forks/angular,dsebastien/angular,not-for-me/angular,domusofsail/angular,chajath/angular,juristr/angular,panuruj/angular,NathanWalker/angular,souldreamer/angular,ericmartinezr/angular,alexpods/angular,vinagreti/angular,gkalpak/angular,cironunes/angular,juristr/angular,Toxicable/angular,not-for-me/angular,alexcastillo/angular,robwormald/angular,basvandenheuvel/angular,Symagic/angular,cexbrayat/angular,rjamet/angular,mgechev/angular,SekibOmazic/angular,heathkit/angular,gkalpak/angular,UIUXEngineering-Forks/angular,panuruj/angular,chuckjaz/angular,NathanWalker/angular,mzgol/angular,alfonso-presa/angular,Mathou54/angular,mdegoo/angular,alfonso-presa/angular,souvikbasu/angular,naomiblack/angular,alxhub/angular,juristr/angular,JSMike/angular,dsebastien/angular,dydek/angular,pkozlowski-opensource/angular,dejour/angular,cassand/angular,SekibOmazic/angular,xcaliber-tech/angular,naomiblack/angular,nosovk/angular,hterkelsen/angular,ScottSWu/angular,StephenFluin/angular,mzgol/angular,basvandenheuvel/angular,youdz/angular,ScottSWu/angular,SaltyDH/angular,Flounn/angular,graveto/angular,snaptech/angular,Mathou54/angular,NathanWalker/angular,antonmoiseev/angular,brandonroberts/angular,angular-indonesia/angular,trshafer/angular,zhura/angular,alexcastillo/angular,chrisse27/angular,snaptech/angular,angularbrasil/angular,aboveyou00/angular,vikerman/angular,wKoza/angular,Toxicable/angular,brandonroberts/angular,mgechev/angular,nosovk/angular,Symagic/angular,manekinekko/angular,gdi2290/angular,jesperronn/angular,angular/angular,shairez/angular,laco0416/angular,kylecordes/angular,mlaval/angular,mhevery/angular,StephenFluin/angular,hterkelsen/angular,angular/angular,panuruj/angular,mhevery/angular,Toxicable/angular,dydek/angular,SekibOmazic/angular,blesh/angular,LucasSloan/angular,cironunes/angular,mikeybyker/angular,jonrimmer/angular,kara/angular,StephenFluin/angular,panuruj/angular,angular-indonesia/angular,wKoza/angular,shuhei/angular,gkalpak/angular,basvandenheuvel/angular,snaptech/angular,dtoroshin/n2oDoc,tyleranton/angular,souvikbasu/angular,chuckjaz/angular,IgorMinar/angular,gjungb/angular,zhura/angular,kegluneq/angular,vinagreti/angular,jasonaden/angular,snaptech/angular,brandonroberts/angular,nosovk/angular,rbevers/angular,aboveyou00/angular,kara/angular,xcaliber-tech/angular,Toxicable/angular,naomiblack/angular,chalin/angular,StephenFluin/angular,mdegoo/angular,Symagic/angular,snaptech/angular,dsebastien/angular,chajath/angular,blesh/angular,not-for-me/angular,vamsivarikuti/angular,robwormald/angular,vicb/angular,AlmogShaul/angular,vikerman/angular,mgechev/angular,tyleranton/angular,petebacondarwin/angular,tycho01/angular,jesperronn/angular,templth/angular,UIUXEngineering-Forks/angular,sjtrimble/angular,vicb/angular,ericmartinezr/angular,kwalrath/angular,chalin/angular,dtoroshin/n2oDoc,vsavkin/angular,youdz/angular,pk-karthik/framework-js-angular,templth/angular,meeroslav/angular,wKoza/angular,mgechev/angular,meeroslav/angular,mgol/angular,awerlang/angular,gnomeontherun/angular,Symagic/angular,smartm0use/angular,LucasSloan/angular,kylecordes/angular,jonrimmer/angular,Symagic/angular,mdegoo/angular,alamgird/angular,LucasSloan/angular,itamark/angular,antonmoiseev/angular,chajath/angular,hterkelsen/angular,ghetolay/angular,gjungb/angular,chrisse27/angular,petebacondarwin/angular,alexcastillo/angular,UIUXEngineering-Forks/angular,gionkunz/angular,hansl/angular,cironunes/angular,ollie314/angular,sjtrimble/angular,mzgol/angular,laco0416/angular,Brocco/angular,smartm0use/angular,alamgird/angular,itamark/angular,vinagreti/angular,graveto/angular,Toxicable/angular,kegluneq/angular,tolemac/angular,vicb/angular,ericmartinezr/angular,gdi2290/angular,basvandenheuvel/angular,petebacondarwin/angular,jasonaden/angular,mzgol/angular,vinagreti/angular,jonrimmer/angular,alexcastillo/angular,vsavkin/angular,youdz/angular,gnomeontherun/angular,IdeaBlade/angular,matsko/angular,templth/angular,Flounn/angular,mhevery/angular,SekibOmazic/angular,kegluneq/angular,ocombe/angular,ValtoFrameworks/Angular-2,heathkit/angular,souldreamer/angular,dydek/angular,diestrin/angular,chuckjaz/angular,ultrasonicsoft/angular,souldreamer/angular,rkirov/angular,ghetolay/angular,ocombe/angular,hansl/angular,hpinsley/angular,brandonroberts/angular,zhura/angular,rkirov/angular,mgiambalvo/angular,Brocco/angular,cexbrayat/angular,cironunes/angular,not-for-me/angular,mgechev/angular,laskoviymishka/angular,aboveyou00/angular,petebacondarwin/angular,awerlang/angular,UIUXEngineering-Forks/angular,tyleranton/angular,jonrimmer/angular,robertmesserle/angular,sjtrimble/angular,brandonroberts/angular,trshafer/angular,IgorMinar/angular,alfonso-presa/angular,dejour/angular,NathanWalker/angular,gdi2290/angular,rbevers/angular,ghetolay/angular,cassand/angular,sarunint/angular,wKoza/angular,UIUXEngineering/angular,ghetolay/angular,naomiblack/angular,angularbrasil/angular,cironunes/angular,juleskremer/angular,juleskremer/angular,shairez/angular,hterkelsen/angular,chrisse27/angular,e-hein/angular,ultrasonicsoft/angular,hpinsley/angular,AlmogShaul/angular,gionkunz/angular,alxhub/angular,kylecordes/angular,chajath/angular,mgiambalvo/angular,blesh/angular,youdz/angular,zhura/angular,mgiambalvo/angular,gdi2290/angular,kara/angular,tbosch/angular,rjamet/angular,awerlang/angular,matsko/angular,royling/angular,juleskremer/angular,tycho01/angular,hansl/angular,laco0416/angular,jasonaden/angular,domusofsail/angular,JSMike/angular,royling/angular,e-hein/angular,JanStureNielsen/angular,hannahhoward/angular,alamgird/angular,UIUXEngineering/angular,NathanWalker/angular,pkozlowski-opensource/angular,kylecordes/angular,ocombe/angular,souvikbasu/angular,kegluneq/angular,chajath/angular,vsavkin/angular,sjtrimble/angular,juristr/angular,wKoza/angular,cironunes/angular,alexpods/angular,alfonso-presa/angular,aboveyou00/angular,gionkunz/angular,vamsivarikuti/angular,dydek/angular,angular/angular,tbosch/angular,sarunint/angular,chrisse27/angular,souldreamer/angular,jasonaden/angular,pk-karthik/framework-js-angular,mprobst/angular,pkozlowski-opensource/angular,pk-karthik/framework-js-angular,manekinekko/angular,vikerman/angular,asnowwolf/angular,mlaval/angular,gdi2290/angular,vsavkin/angular,alexeagle/angular,juristr/angular,hannahhoward/angular,manekinekko/angular,templth/angular,shuhei/angular,ocombe/angular,mhevery/angular,juleskremer/angular,dsebastien/angular,mzgol/angular,vinagreti/angular,vandres/angular,NathanWalker/angular,tycho01/angular,ultrasonicsoft/angular,robwormald/angular,chuckjaz/angular,filipesilva/angular,tycho01/angular,souvikbasu/angular,awerlang/angular,gjungb/angular,dtoroshin/n2oDoc,vicb/angular,itamark/angular,trshafer/angular,ericmartinezr/angular,robertmesserle/angular,ScottSWu/angular,sarunint/angular,dejour/angular,xcaliber-tech/angular,ultrasonicsoft/angular,gnomeontherun/angular,antonmoiseev/angular,youdz/angular,IdeaBlade/angular,UIUXEngineering/angular,ericmartinezr/angular,laskoviymishka/angular,tolemac/angular,graveto/angular,jasonaden/angular,wKoza/angular,snaptech/angular,mlaval/angular,mgol/angular,alexcastillo/angular,manekinekko/angular,mikeybyker/angular,ochafik/angular,alexcastillo/angular,IgorMinar/angular,ochafik/angular,domusofsail/angular,Brocco/angular,tolemac/angular,nosovk/angular,ValtoFrameworks/Angular-2,xcaliber-tech/angular,gionkunz/angular,antonmoiseev/angular,cexbrayat/angular,robwormald/angular,manekinekko/angular,matsko/angular,ScottSWu/angular,asnowwolf/angular,rkirov/angular,vicb/angular,mgol/angular,tycho01/angular,vandres/angular,heathkit/angular,UIUXEngineering-Forks/angular,gnomeontherun/angular,asnowwolf/angular,meeroslav/angular,SaltyDH/angular,jesperronn/angular,tbosch/angular,shuhei/angular,kwalrath/angular,rjamet/angular,mprobst/angular,vamsivarikuti/angular,ValtoFrameworks/Angular-2,petebacondarwin/angular,rbevers/angular,graveto/angular,mprobst/angular,ultrasonicsoft/angular,trshafer/angular,ochafik/angular,tycho01/angular,vandres/angular,ValtoFrameworks/Angular-2,chuckjaz/angular,aboveyou00/angular,graveto/angular,juristr/angular,trshafer/angular,antonmoiseev/angular,dsebastien/angular,alxhub/angular,meeroslav/angular,matsko/angular,angular/angular,AlmogShaul/angular,nosovk/angular,youdz/angular,LucasSloan/angular,mprobst/angular,laco0416/angular,IdeaBlade/angular,Brocco/angular,alexeagle/angular,hterkelsen/angular,mhevery/angular,angularbrasil/angular,naomiblack/angular,hpinsley/angular,tyleranton/angular,brandonroberts/angular,basvandenheuvel/angular,vsavkin/angular,jesperronn/angular,hterkelsen/angular,not-for-me/angular,petebacondarwin/angular,JanStureNielsen/angular,heathkit/angular,robertmesserle/angular,manekinekko/angular,mgol/angular,StephenFluin/angular,mdegoo/angular,panuruj/angular,laco0416/angular,chalin/angular,pkozlowski-opensource/angular,vamsivarikuti/angular,SaltyDH/angular,vicb/angular,laskoviymishka/angular,shairez/angular,alexpods/angular,hpinsley/angular,mzgol/angular,mprobst/angular,tbosch/angular,kylecordes/angular,shuhei/angular,smartm0use/angular,SaltyDH/angular,SaltyDH/angular,ultrasonicsoft/angular,rjamet/angular,filipesilva/angular,rbevers/angular,xcaliber-tech/angular,robwormald/angular,ocombe/angular,Mathou54/angular,laco0416/angular,templth/angular,cassand/angular,LucasSloan/angular,e-hein/angular,Mathou54/angular,meeroslav/angular,chuckjaz/angular,chalin/angular,shuhei/angular,pkozlowski-opensource/angular,mprobst/angular,ValtoFrameworks/Angular-2,kara/angular,JiaLiPassion/angular,souldreamer/angular,e-hein/angular,dtoroshin/n2oDoc,alamgird/angular,rbevers/angular,alexpods/angular,juleskremer/angular,JiaLiPassion/angular,Toxicable/angular,IgorMinar/angular,robwormald/angular,laskoviymishka/angular,dydek/angular,Brocco/angular,dejour/angular,alxhub/angular,itamark/angular,angular-indonesia/angular,LucasSloan/angular,domusofsail/angular,tolemac/angular,alfonso-presa/angular,cassand/angular,mdegoo/angular,shairez/angular,hpinsley/angular,SekibOmazic/angular,cassand/angular,gjungb/angular,pk-karthik/framework-js-angular,robertmesserle/angular,mikeybyker/angular,filipesilva/angular,heathkit/angular,graveto/angular,mlaval/angular,vandres/angular,hansl/angular,kylecordes/angular,souvikbasu/angular,alexeagle/angular,tyleranton/angular,ericmartinezr/angular,IgorMinar/angular,JiaLiPassion/angular,diestrin/angular,zhura/angular,JSMike/angular,diestrin/angular,mikeybyker/angular,awerlang/angular,AlmogShaul/angular,chrisse27/angular,Mathou54/angular,JSMike/angular,alexeagle/angular,dsebastien/angular,alxhub/angular,angular-indonesia/angular,SekibOmazic/angular,souldreamer/angular,filipesilva/angular,mgiambalvo/angular,smartm0use/angular,gionkunz/angular,tolemac/angular,robertmesserle/angular,alexpods/angular,blesh/angular,basvandenheuvel/angular,kwalrath/angular,jonrimmer/angular,pk-karthik/framework-js-angular,kara/angular,heathkit/angular,ochafik/angular,rkirov/angular,royling/angular,e-hein/angular,kegluneq/angular,jasonaden/angular,gionkunz/angular,alexeagle/angular,vandres/angular,ochafik/angular,kwalrath/angular,JanStureNielsen/angular,sarunint/angular,mdegoo/angular,hpinsley/angular,mgol/angular,IdeaBlade/angular,kwalrath/angular,mgol/angular,hannahhoward/angular,Brocco/angular,aboveyou00/angular,kegluneq/angular,alexeagle/angular,ollie314/angular,JiaLiPassion/angular,IgorMinar/angular,rkirov/angular,tolemac/angular,hannahhoward/angular,angularbrasil/angular,hansl/angular,angularbrasil/angular,shuhei/angular,domusofsail/angular,ghetolay/angular,JSMike/angular,matsko/angular,zhura/angular,asnowwolf/angular,itamark/angular,cexbrayat/angular,ollie314/angular,tyleranton/angular,ochafik/angular,rkirov/angular,ocombe/angular,JanStureNielsen/angular,ollie314/angular,mlaval/angular,cexbrayat/angular,jesperronn/angular,hannahhoward/angular,hansl/angular,Flounn/angular,Flounn/angular,sjtrimble/angular,ScottSWu/angular,filipesilva/angular,jonrimmer/angular,dejour/angular,gdi2290/angular,vikerman/angular,alamgird/angular,vikerman/angular,sarunint/angular,hannahhoward/angular,smartm0use/angular,gjungb/angular,ollie314/angular,diestrin/angular,UIUXEngineering/angular,sarunint/angular,antonmoiseev/angular,cassand/angular,JanStureNielsen/angular,gkalpak/angular,mgiambalvo/angular,ScottSWu/angular,shairez/angular,mikeybyker/angular,trshafer/angular,robertmesserle/angular,mhevery/angular,blesh/angular,Symagic/angular,rbevers/angular,IdeaBlade/angular,alfonso-presa/angular,asnowwolf/angular,Flounn/angular,dtoroshin/n2oDoc,tbosch/angular