am f35e8159: am 99b91b2f: am c9dbaf04: Merge "Doc change: refactor GCM docs to be platform-agnostic." into lmp-docs automerge: 2b36779 automerge: 2b7f0cf
automerge: ac4dfec

* commit 'ac4dfec8b3e15405fc0b0eba581169e7feef28ff':
  Doc change: refactor GCM docs to be platform-agnostic.