bazel_worker_test: Use pgrep instead of string magic to find workers.
bazel_worker_test: Use pgrep instead of string magic to find workers.

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MOS_MIGRATED_REVID=110143616

twitter-forks/bazel,mikelikespie/bazel,meteorcloudy/bazel,dropbox/bazel,juhalindfors/bazel-patches,cushon/bazel,damienmg/bazel,hermione521/bazel,mikelikespie/bazel,aehlig/bazel,LuminateWireless/bazel,juhalindfors/bazel-patches,werkt/bazel,rohitsaboo/bazel,snnn/bazel,perezd/bazel,rohitsaboo/bazel,werkt/bazel,whuwxl/bazel,mikelalcon/bazel,aehlig/bazel,hermione521/bazel,anupcshan/bazel,UrbanCompass/bazel,iamthearm/bazel,mikelalcon/bazel,abergmeier-dsfishlabs/bazel,ButterflyNetwork/bazel,Asana/bazel,spxtr/bazel,werkt/bazel,mbrukman/bazel,anupcshan/bazel,rohitsaboo/bazel,LuminateWireless/bazel,mbrukman/bazel,mrdomino/bazel,juhalindfors/bazel-patches,meteorcloudy/bazel,anupcshan/bazel,perezd/bazel,hhclam/bazel,dinowernli/bazel,ulfjack/bazel,bazelbuild/bazel,mrdomino/bazel,cushon/bazel,kchodorow/bazel,ulfjack/bazel,safarmer/bazel,ulfjack/bazel,UrbanCompass/bazel,UrbanCompass/bazel,cushon/bazel,ulfjack/bazel,variac/bazel,zhexuany/bazel,hermione521/bazel,rohitsaboo/bazel,damienmg/bazel,dslomov/bazel-windows,kchodorow/bazel-1,variac/bazel,twitter-forks/bazel,katre/bazel,juhalindfors/bazel-patches,katre/bazel,Asana/bazel,perezd/bazel,davidzchen/bazel,aehlig/bazel,abergmeier-dsfishlabs/bazel,zhexuany/bazel,ButterflyNetwork/bazel,Asana/bazel,mbrukman/bazel,dropbox/bazel,mikelalcon/bazel,mrdomino/bazel,kchodorow/bazel,hhclam/bazel,juhalindfors/bazel-patches,davidzchen/bazel,perezd/bazel,perezd/bazel,katre/bazel,rohitsaboo/bazel,spxtr/bazel,variac/bazel,dslomov/bazel,mikelikespie/bazel,whuwxl/bazel,anupcshan/bazel,meteorcloudy/bazel,damienmg/bazel,spxtr/bazel,mikelikespie/bazel,meteorcloudy/bazel,iamthearm/bazel,safarmer/bazel,dropbox/bazel,dslomov/bazel,zhexuany/bazel,iamthearm/bazel,davidzchen/bazel,dropbox/bazel,cushon/bazel,kchodorow/bazel,zhexuany/bazel,variac/bazel,akira-baruah/bazel,safarmer/bazel,cushon/bazel,damienmg/bazel,katre/bazel,akira-baruah/bazel,twitter-forks/bazel,meteorcloudy/bazel,werkt/bazel,werkt/bazel,LuminateWireless/bazel,spxtr/bazel,dslomov/bazel-windows,hermione521/bazel,rohitsaboo/bazel,hhclam/bazel,akira-baruah/bazel,abergmeier-dsfishlabs/bazel,iamthearm/bazel,dropbox/bazel,damienmg/bazel,mbrukman/bazel,katre/bazel,LuminateWireless/bazel,mrdomino/bazel,anupcshan/bazel,whuwxl/bazel,bazelbuild/bazel,LuminateWireless/bazel,dslomov/bazel-windows,iamthearm/bazel,dropbox/bazel,variac/bazel,dinowernli/bazel,juhalindfors/bazel-patches,hhclam/bazel,hermione521/bazel,snnn/bazel,dinowernli/bazel,spxtr/bazel,twitter-forks/bazel,ulfjack/bazel,anupcshan/bazel,ulfjack/bazel,mikelikespie/bazel,mikelikespie/bazel,bazelbuild/bazel,ButterflyNetwork/bazel,twitter-forks/bazel,snnn/bazel,akira-baruah/bazel,dslomov/bazel,safarmer/bazel,dslomov/bazel-windows,kchodorow/bazel,snnn/bazel,meteorcloudy/bazel,davidzchen/bazel,snnn/bazel,LuminateWireless/bazel,damienmg/bazel,hhclam/bazel,bazelbuild/bazel,twitter-forks/bazel,ulfjack/bazel,katre/bazel,UrbanCompass/bazel,Asana/bazel,damienmg/bazel,akira-baruah/bazel,perezd/bazel,UrbanCompass/bazel,aehlig/bazel,mikelalcon/bazel,whuwxl/bazel,mikelalcon/bazel,safarmer/bazel,meteorcloudy/bazel,dslomov/bazel-windows,mbrukman/bazel,zhexuany/bazel,variac/bazel,dslomov/bazel-windows,kchodorow/bazel,Asana/bazel,hermione521/bazel,twitter-forks/bazel,mbrukman/bazel,mikelalcon/bazel,aehlig/bazel,ButterflyNetwork/bazel,dinowernli/bazel,hhclam/bazel,abergmeier-dsfishlabs/bazel,snnn/bazel,werkt/bazel,iamthearm/bazel,Asana/bazel,UrbanCompass/bazel,kchodorow/bazel-1,bazelbuild/bazel,kchodorow/bazel-1,kchodorow/bazel,perezd/bazel,davidzchen/bazel,kchodorow/bazel-1,abergmeier-dsfishlabs/bazel,dslomov/bazel,kchodorow/bazel-1,ButterflyNetwork/bazel,juhalindfors/bazel-patches,mrdomino/bazel,whuwxl/bazel,Asana/bazel,variac/bazel,dinowernli/bazel,dinowernli/bazel,davidzchen/bazel,spxtr/bazel,ButterflyNetwork/bazel,aehlig/bazel,davidzchen/bazel,kchodorow/bazel-1,snnn/bazel,akira-baruah/bazel,safarmer/bazel,aehlig/bazel,kchodorow/bazel,dslomov/bazel,dslomov/bazel,dslomov/bazel,cushon/bazel,mrdomino/bazel,abergmeier-dsfishlabs/bazel,zhexuany/bazel,bazelbuild/bazel,whuwxl/bazel,spxtr/bazel