hal: Add support for pre-processing effects

- Add support for AEC audio effect for voice communication.

Bug: 7241490
Bug: 8325112
Change-Id: Ic33d2f1f7be86484f748627d9afabbe10c369c21
Signed-off-by: Eric Laurent <elaurent@google.com>
Signed-off-by: Iliyan Malchev <malchev@google.com>
3 files changed
tree: 9b13770e53b6efa2fee92a2733baecc249a7fbd7
  1. hal/
  2. legacy/
  3. voice_processing/
  4. Android.mk