Make aar_import not fail on aars that do not contain resources.
Make aar_import not fail on aars that do not contain resources.

Previously, zip_manifest_creator.sh would return an exit code of 1 if grep did not match any files.

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MOS_MIGRATED_REVID=133289788

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