AVRCP: Handling multiple time RC feature update

Now mInitialRemoteVolume, mLastRemoteVolume and
mLastLocalVolume will cleanup on AVRCP disconnect.
So if multiple time RC update will come then
stored value will remain same.

CRs-Fixed: 2321647
Change-Id: I9a2edf1a1e7248d965fe229cd1691e0aae4f44d7
1 file changed