build: fix public-api:update gulp task (#16859)
build: fix public-api:update gulp task (#16859)

PR #16834 makes the task faster but it doesn't work any more!
Reverting to the slower but correct task for now.
angular/angular,mlaval/angular,robwormald/angular,juristr/angular,gjungb/angular,dtoroshin/n2oDoc,meeroslav/angular,juristr/angular,cironunes/angular,brandonroberts/angular,gdi2290/angular,ghetolay/angular,jasonaden/angular,cironunes/angular,trshafer/angular,filipesilva/angular,petebacondarwin/angular,jonrimmer/angular,Toxicable/angular,cexbrayat/angular,mgiambalvo/angular,kara/angular,gdi2290/angular,gkalpak/angular,mzgol/angular,gnomeontherun/angular,gjungb/angular,mlaval/angular,pkozlowski-opensource/angular,juleskremer/angular,rkirov/angular,pkozlowski-opensource/angular,vsavkin/angular,alexeagle/angular,angularbrasil/angular,aboveyou00/angular,sarunint/angular,alxhub/angular,tbosch/angular,StephenFluin/angular,cexbrayat/angular,aboveyou00/angular,filipesilva/angular,IgorMinar/angular,kara/angular,shairez/angular,Brocco/angular,smartm0use/angular,cironunes/angular,dsebastien/angular,filipesilva/angular,juleskremer/angular,NathanWalker/angular,alexeagle/angular,robwormald/angular,meeroslav/angular,LucasSloan/angular,IdeaBlade/angular,kegluneq/angular,angularbrasil/angular,IgorMinar/angular,brandonroberts/angular,ghetolay/angular,chuckjaz/angular,jasonaden/angular,blesh/angular,cexbrayat/angular,jonrimmer/angular,NathanWalker/angular,hansl/angular,angularbrasil/angular,LucasSloan/angular,gdi2290/angular,sarunint/angular,ocombe/angular,vsavkin/angular,kwalrath/angular,jonrimmer/angular,angular-indonesia/angular,Brocco/angular,souvikbasu/angular,jonrimmer/angular,shairez/angular,Toxicable/angular,kara/angular,wKoza/angular,petebacondarwin/angular,rkirov/angular,rjamet/angular,mgechev/angular,snaptech/angular,snaptech/angular,ultrasonicsoft/angular,alexeagle/angular,pkozlowski-opensource/angular,dtoroshin/n2oDoc,cironunes/angular,jonrimmer/angular,sarunint/angular,vicb/angular,cexbrayat/angular,nosovk/angular,mhevery/angular,dsebastien/angular,snaptech/angular,ocombe/angular,heathkit/angular,jasonaden/angular,aboveyou00/angular,manekinekko/angular,aboveyou00/angular,ValtoFrameworks/Angular-2,kara/angular,vikerman/angular,gkalpak/angular,mdegoo/angular,souvikbasu/angular,shairez/angular,JiaLiPassion/angular,kwalrath/angular,juleskremer/angular,mgechev/angular,rkirov/angular,mlaval/angular,mgol/angular,tbosch/angular,mzgol/angular,wKoza/angular,tbosch/angular,vicb/angular,kara/angular,shairez/angular,mprobst/angular,vsavkin/angular,juristr/angular,StephenFluin/angular,Brocco/angular,blesh/angular,petebacondarwin/angular,gdi2290/angular,Toxicable/angular,souvikbasu/angular,mhevery/angular,nosovk/angular,meeroslav/angular,wKoza/angular,kegluneq/angular,petebacondarwin/angular,snaptech/angular,mprobst/angular,dtoroshin/n2oDoc,juleskremer/angular,dtoroshin/n2oDoc,StephenFluin/angular,mzgol/angular,mprobst/angular,angular-indonesia/angular,chalin/angular,matsko/angular,smartm0use/angular,gkalpak/angular,dsebastien/angular,vicb/angular,rkirov/angular,smartm0use/angular,vicb/angular,kwalrath/angular,chalin/angular,jasonaden/angular,JiaLiPassion/angular,IdeaBlade/angular,StephenFluin/angular,kegluneq/angular,mgiambalvo/angular,IdeaBlade/angular,matsko/angular,vicb/angular,mprobst/angular,Brocco/angular,matsko/angular,hansl/angular,angular/angular,mdegoo/angular,angular/angular,heathkit/angular,sarunint/angular,angularbrasil/angular,manekinekko/angular,mzgol/angular,ocombe/angular,rjamet/angular,chalin/angular,aboveyou00/angular,mgol/angular,gnomeontherun/angular,gnomeontherun/angular,mdegoo/angular,pk-karthik/framework-js-angular,mzgol/angular,Toxicable/angular,angularbrasil/angular,LucasSloan/angular,alxhub/angular,manekinekko/angular,ultrasonicsoft/angular,gjungb/angular,mhevery/angular,mgol/angular,nosovk/angular,blesh/angular,cironunes/angular,trshafer/angular,juristr/angular,gkalpak/angular,mgiambalvo/angular,mdegoo/angular,ghetolay/angular,trshafer/angular,IgorMinar/angular,mhevery/angular,dsebastien/angular,Toxicable/angular,petebacondarwin/angular,NathanWalker/angular,mhevery/angular,LucasSloan/angular,sarunint/angular,tbosch/angular,ocombe/angular,shairez/angular,chuckjaz/angular,heathkit/angular,mdegoo/angular,angular-indonesia/angular,mlaval/angular,chuckjaz/angular,mgol/angular,alexeagle/angular,kegluneq/angular,Toxicable/angular,robwormald/angular,meeroslav/angular,rkirov/angular,snaptech/angular,Brocco/angular,nosovk/angular,alxhub/angular,ValtoFrameworks/Angular-2,manekinekko/angular,kara/angular,mhevery/angular,mgiambalvo/angular,vikerman/angular,chuckjaz/angular,pk-karthik/framework-js-angular,blesh/angular,alxhub/angular,vsavkin/angular,brandonroberts/angular,ultrasonicsoft/angular,chuckjaz/angular,mgol/angular,angular/angular,mprobst/angular,Brocco/angular,brandonroberts/angular,chuckjaz/angular,matsko/angular,tbosch/angular,jasonaden/angular,vikerman/angular,IgorMinar/angular,gjungb/angular,snaptech/angular,NathanWalker/angular,robwormald/angular,wKoza/angular,ocombe/angular,mgechev/angular,gdi2290/angular,ultrasonicsoft/angular,wKoza/angular,jonrimmer/angular,smartm0use/angular,pkozlowski-opensour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