am c6e6a404: Merge "Add audio_utils FIFO library"

* commit 'c6e6a4040699ba8d16e86fe8aa39abade4846a48':
  Add audio_utils FIFO library
tree: e884e5d48510fe925f93e2e00028faa34d34dff9
  1. audio_effects/
  2. audio_route/
  3. audio_utils/
  4. camera/
  5. private/
  6. CleanSpec.mk