Bluetooth: support for a2dp sink

 - support to check remote sep type
 - support to suspend streaming in a2dp sink

CRs-Fixed: 580884

Change-Id: I9355056c663fb0cd685301cc76be6d1a700ee5f1
Bluetooth: A2DP SINK changes for audiofocus

 - manage audio focus
 - send resume_sink from application

CRs-Fixed: 584276

Change-Id: I0eeb06b70b9dbb8c2276b0accb6afbafcba65376
lights: Add music light support (1/2)

Change-Id: Ia2731f17f993bd0f4d61c69ee77fa74d77854396
usbaudio: Fixing return value from out_write

-pcm_mmap_write() returns 0 for successful write and a negative
error number for errors
-out_write always returns a positive value
-fixed return value as per pcm_mmap_write() returned result

Change-Id: I6bbca5df9a1eb9ceae492a8cf5f478189cedbb12
CRs-Fixed: 564094
audio: Add WMA Format suppport for offload playback

Add WMA Format suppport for offload playback.

Change-Id: I35e69bd1a21ba54211bcd688d7bba115f969b98f