am 2f7306a9: audio: add operator specific device change

* commit '2f7306a9dae56a1204e8ec090198ce76b167bfa9':
  audio: add operator specific device change
tree: 7f9032697b5315f6d3850cce9fca1946d73a5f15
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk