Avrcp: Replacing isActiveDevice from a2dp active device

When volume update will come before AVRCP active
device message handle than volume change will
ignored.
To handle volume registeration durining connection
replacing isActiveDevice check from a2dp active
device check.

CRs-Fixed: 2500646
Change-Id: I6fe047dca01a4b8f668d5fabf70e14c0aa4b9b7d
1 file changed