hal: msm8974: select HFP devices based on hfp active session am: d789e43c8a am: 57f88c6be4
am: b62ec27c56

Change-Id: I8bd1d25b151517ed2dabb260586a38ed70986ac0
tree: 7bcff31e58ab9f459d68c3d398f61fa65f7cb71f
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk