AVRCP: If setActive is null reset isActive before updating to MM

If there is not active device than update isActive flag false
before updating device disconnection to MM audio.
It will avoid storeVolumeForDevice function call twice
during SHO/BT disconnection.

CRs-Fixed: 2691010
Change-Id: If607005b6a3e25af64467348f5d52c8033f4ae29
1 file changed