hal: Add pcm format support for a2dp playback
am: 3a5da9d4cc

Change-Id: I309d8d1011394ccb16de791dc70071890fe590db
tree: ce79d177c5461c8306fabc8b7e0e3fa5e579ec16
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk