audio: Initial bring up of QCOM added audio feature(jb_cho).

- Update alsa_sound and libalsa-intf to JB mainline
- Use audio channel, format, and mode definitions
  from system/core instead of libhardware_legacy
- Enable AudioPolicyManagerALSA as QCOM's customized
  audio policy manager
- Enable QCOM audio features including: proxy, USB
  audio, and  ANC.
- Disable compress audio because it's not supported
  by jb_cho kernel

Change-Id: Ia9f0a8024a3f3e1d28210687aecfc72e6b784941
30 files changed
tree: 9b6731d6302ef4a9b76a1f3ea90edd82f807dd9f
  1. alsa_sound/
  2. libalsa-intf/