ci: don't run google3 tests on bazel external files (#26488)
ci: don't run google3 tests on bazel external files (#26488)

PR Close #26488

gkalpak/angular,Brocco/angular,gnomeontherun/angular,Toxicable/angular,mhevery/angular,blesh/angular,juristr/angular,petebacondarwin/angular,mgechev/angular,manekinekko/angular,Brocco/angular,Brocco/angular,jasonaden/angular,wKoza/angular,gdi2290/angular,JiaLiPassion/angular,brandonroberts/angular,StephenFluin/angular,gkalpak/angular,sarunint/angular,ocombe/angular,matsko/angular,angular/angular,gdi2290/angular,ValtoFrameworks/Angular-2,filipesilva/angular,wKoza/angular,manekinekko/angular,alexeagle/angular,StephenFluin/angular,kegluneq/angular,mgechev/angular,hansl/angular,kegluneq/angular,shairez/angular,snaptech/angular,IgorMinar/angular,Toxicable/angular,angular-indonesia/angular,jasonaden/angular,gnomeontherun/angular,mprobst/angular,JiaLiPassion/angular,IgorMinar/angular,sarunint/angular,mprobst/angular,manekinekko/angular,brandonroberts/angular,filipesilva/angular,hansl/angular,matsko/angular,matsko/angular,vikerman/angular,snaptech/angular,mprobst/angular,StephenFluin/angular,ValtoFrameworks/Angular-2,mhevery/angular,ultrasonicsoft/angular,IgorMinar/angular,mprobst/angular,mgechev/angular,mhevery/angular,ocombe/angular,IgorMinar/angular,alexeagle/angular,angular-indonesia/angular,ultrasonicsoft/angular,ValtoFrameworks/Angular-2,hansl/angular,JiaLiPassion/angular,IdeaBlade/angular,gdi2290/angular,mgechev/angular,snaptech/angular,ocombe/angular,Brocco/angular,gkalpak/angular,gdi2290/angular,mprobst/angular,ultrasonicsoft/angular,alxhub/angular,Brocco/angular,angular-indonesia/angular,juristr/angular,vikerman/angular,petebacondarwin/angular,Toxicable/angular,shairez/angular,mgechev/angular,jasonaden/angular,alexeagle/angular,mhevery/angular,alexeagle/angular,sarunint/angular,juristr/angular,ValtoFrameworks/Angular-2,wKoza/angular,ocombe/angular,brandonroberts/angular,sarunint/angular,IgorMinar/angular,mprobst/angular,mlaval/angular,kegluneq/angular,alxhub/angular,petebacondarwin/angular,hansl/angular,Toxicable/angular,petebacondarwin/angular,Brocco/angular,filipesilva/angular,gdi2290/angular,gnomeontherun/angular,snaptech/angular,ultrasonicsoft/angular,hansl/angular,ValtoFrameworks/Angular-2,snaptech/angular,hansl/angular,alxhub/angular,IdeaBlade/angular,vikerman/angular,manekinekko/angular,wKoza/angular,alexeagle/angular,shairez/angular,blesh/angular,gkalpak/angular,matsko/angular,angular/angular,matsko/angular,kegluneq/angular,brandonroberts/angular,ocombe/angular,sarunint/angular,petebacondarwin/angular,manekinekko/angular,Toxicable/angular,IgorMinar/angular,vikerman/angular,shairez/angular,gnomeontherun/angular,ultrasonicsoft/angular,IdeaBlade/angular,Toxicable/angular,angular-indonesia/angular,vikerman/angular,brandonroberts/angular,mlaval/angular,StephenFluin/angular,filipesilva/angular,wKoza/angular,ocombe/angular,mlaval/angular,StephenFluin/angular,angular/angular,juristr/angular,blesh/angular,juristr/angular,brandonroberts/angular,alxhub/angular,gdi2290/angular,blesh/angular,mlaval/angular,manekinekko/angular,IdeaBlade/angular,snaptech/angular,kegluneq/angular,alxhub/angular,jasonaden/angular,mhevery/angular,JiaLiPassion/angular,mhevery/angular,shairez/angular,jasonaden/angular,blesh/angular,wKoza/angular,filipesilva/angular,sarunint/angular,kegluneq/angular,vikerman/angular,alexeagle/angular,IdeaBlade/angular,juristr/angular,angular/angular,jasonaden/angular,mlaval/angular,ultrasonicsoft/angular,petebacondarwin/angular