hal: msm8974: select HFP devices based on hfp active session
am: d789e43c8a

Change-Id: I1e8cc0997b5da2f25b7a3e93588f39fdc362c32c
tree: 7f46af7b97c188f7c5cceacf5a99f0388a8aa750
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk