am bb4c573f: Merge "Rename AudioState to CallAudioState" into mnc-dev

* commit 'bb4c573f102d86d79ed943d21e0a8d28d3ea0f84':
  Rename AudioState to CallAudioState
tree: fa15f648efe4fd893c108a7b8ad872fc5cc67c5a
  1. InCallUI/