[Feature][ZXW-134][audio]Add codec demo to play and record

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: I8330fa6d19e076df42d441b07b71e93091d4cdc2
5 files changed