Remove --announce_rc for local developer builds.
These are too noisy and don't really add value for most invocations. Add
it to --config=ci instead.
Test: b info
Change-Id: Ib21c63b2249e142925c37fb4a56f5b20a19e0ab8
The code in this directory is experimental. Bazel support for Android Platform is undergoing active development and workflow stability is currently not guaranteed.