resolve merge conflicts of e50bc7b to master

Test: make
Change-Id: Iefdb803cbb451317a0a24fffd27d927702cc193c
tree: 95342ec0748ecab28e539fedc6cea6c6facb4a56
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk