am dae44718: hal: add support for multi-mic input and multi-channel output

* commit 'dae4471837fcdbd9356e3745b66f23f921fb531b':
  hal: add support for multi-mic input and multi-channel output
tree: 68eea1e05ff163a6fb92d58d921e53c92f353461
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk