Use audio_policy_output_flags_t consistently

This affects:
 - IAudioFlinger::openOutput
 - AudioTrack::AudioTrack
 - AudioTrack::set
 - apps that call these

Change-Id: I26fb281bac6cb87593d17697bc9cb37a835af205
10 files changed
tree: 58c7505f59a1a93ab729fc039aa5cb1eaa49652e
  1. camera/
  2. cmds/
  3. drm/
  4. include/
  5. media/
  6. services/