hal: select HFP devices based on hfp active session am: 3f6051b52e
am: c25092d47e

Change-Id: Ide4a3227a6d422084b6f5f8fcf07234e15fbce97
tree: 7f2e81555ed1f250c25ea8cb3e3a6f3237f38d80
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk