Make the Bazel unified launcher alias point to unified_launcher_head.
Make the Bazel unified launcher alias point to unified_launcher_head.

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PiperOrigin-RevId: 146142811
MOS_MIGRATED_REVID=146142811

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