audio: audio enhancements for playback and recording.

- Add playback and record support for EVRC, QCELP,
  WMA, AMRWBPLUS, WAV, ACE, and EC3.
- Add support for 5.1 channel recording.
- Add support for in call music.
- Add constants for call_state and vsid.
- Add definition for FM and proxy audio devices.
- Remove unnecessary format checks in frameworks.

Change-Id: If3676b88fa287b484ef8616c0a6b67177b61a720
(cherry picked from commit 6ca6cc15af88992ea485a458e67a8546b156672e)
(cherry picked from commit f65028d1752969bf43c853c1bb12ecd12055d5e8)
(cherry picked from commit b1952442db41188b74f331bd2397a579424821ab)

Conflicts:
	media/java/android/media/AudioService.java