Merge "hal: Add support for speaker safe and BT A2DP usecases" into pi-dev
am: f768dde5e4

Change-Id: I4a448cb2eb63079837d92be277d9154624e2d3be
tree: d3a241a6f19841d5346464cf96b8792f03e49645
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk