Update instructions for workspace-wide .bazelrc
Update instructions for workspace-wide .bazelrc

Closes #6325.

PiperOrigin-RevId: 216419824

perezd/bazel,aehlig/bazel,davidzchen/bazel,meteorcloudy/bazel,safarmer/bazel,safarmer/bazel,safarmer/bazel,cushon/bazel,bazelbuild/bazel,perezd/bazel,bazelbuild/bazel,davidzchen/bazel,dslomov/bazel-windows,katre/bazel,dslomov/bazel-windows,akira-baruah/bazel,cushon/bazel,perezd/bazel,werkt/bazel,dslomov/bazel-windows,katre/bazel,twitter-forks/bazel,safarmer/bazel,akira-baruah/bazel,cushon/bazel,safarmer/bazel,dslomov/bazel,dslomov/bazel-windows,davidzchen/bazel,dslomov/bazel,twitter-forks/bazel,akira-baruah/bazel,dslomov/bazel-windows,ulfjack/bazel,dslomov/bazel,meteorcloudy/bazel,katre/bazel,katre/bazel,meteorcloudy/bazel,meteorcloudy/bazel,ButterflyNetwork/bazel,meteorcloudy/bazel,werkt/bazel,ulfjack/bazel,bazelbuild/bazel,cushon/bazel,twitter-forks/bazel,akira-baruah/bazel,ButterflyNetwork/bazel,aehlig/bazel,davidzchen/bazel,meteorcloudy/bazel,aehlig/bazel,dslomov/bazel,bazelbuild/bazel,ButterflyNetwork/bazel,dslomov/bazel,akira-baruah/bazel,werkt/bazel,twitter-forks/bazel,bazelbuild/bazel,katre/bazel,werkt/bazel,perezd/bazel,twitter-forks/bazel,dslomov/bazel-windows,twitter-forks/bazel,twitter-forks/bazel,perezd/bazel,ulfjack/bazel,davidzchen/bazel,dslomov/bazel,akira-baruah/bazel,ulfjack/bazel,davidzchen/bazel,meteorcloudy/bazel,cushon/bazel,ButterflyNetwork/bazel,perezd/bazel,dslomov/bazel,cushon/bazel,werkt/bazel,bazelbuild/bazel,aehlig/bazel,ButterflyNetwork/bazel,ButterflyNetwork/bazel,aehlig/bazel,ulfjack/bazel,aehlig/bazel,werkt/bazel,ulfjack/bazel,ulfjack/bazel,katre/bazel,davidzchen/bazel,perezd/bazel,aehlig/bazel,safarmer/bazel