docs: changes to broadcast documentation am: e1682a08b7
am: 538a5cf796

Change-Id: I7dcb1bc57fb62f2b177c7ad15a9236da98fb749f
tree: 7d1c83f8efcc4ae52be15105d9794676d00a8687
  1. core/
  2. services/
  3. tests/