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
gralloc: do not use GNU old-style field designators

Avoiding the use of gnu extensions improves code portability

Change-Id: Icf8e3d4813bcddff40548bb5e65e615f8697b75c