am f70ffb40: hal: Add support for pre-processing effects

* commit 'f70ffb40ca0c4e8cce15c77fd9edff7f2b6980de':
  hal: Add support for pre-processing effects
tree: 9b13770e53b6efa2fee92a2733baecc249a7fbd7
  1. hal/
  2. legacy/
  3. voice_processing/
  4. Android.mk