[T106][ZXW-198][audio] Add audio interface to play PCM buffer

Only Configure: No
Affected branch: master
Affected module: audio
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: Yes
Doc Update: Yes

Change-Id: I79520549a6346faba89ada617c693e134e2e4e3e
5 files changed