am 20fd3f0d: am 4770c79c: Merge "Tweak audio APIs for better forward/backward/sideways compatibility."

* commit '20fd3f0d83d4665a6ac33a10f4a48a0f6f159068':
  Tweak audio APIs for better forward/backward/sideways compatibility.
tree: 97e3899c19dc0b61e8fc68a8ae831f7301e2d866
  1. camera/
  2. cmds/
  3. drm/
  4. include/
  5. media/
  6. services/