audio_hal: Add support for multi voice sessions

Update HAL to add multi SIM voice support. Seperate
out voice features to voice files.

Add getprop/setprop for BT sample rate, Fluence and Slow talk.

Change-Id: Ief61466f78c7b915549981a28fc7ff32731607a5
14 files changed
tree: d958dea1e6d3e1f1fadc31ca79f60177b4ab25ee
  1. hal/
  2. legacy/
  3. mm-audio/
  4. policy_hal/
  5. voice_processing/
  6. Android.mk