AVRCP: Avoid multiple update to audio

If setAsoluteVolume response will not match to
absolute volume requset sent than need to update volume
to MM audio.
SetAbsoluteVolume request is accepted by remote than no
need to update again MM audio.

If volume command is in progress then cache the MM volume
change trigger for deferred processing.

CRs-Fixed: 2649113
Change-Id: I6061a73008b83292571767ff9096e06adb0fd004
1 file changed