Send +bvra:0 to remote when remote disconnects sco during VR

If the voice recognition is started by VR app,
during the VR, remote disconnects sco, host will not
send +bvra:0 to remote. Some special remote will go to bad state,
and cannot start VR again.

Change-Id: I8d8a5a3fa47dde8f463c3522b9455f8f63d1e3fd
CRs-Fixed: 2358124
1 file changed