Don't create SCO if VR activity is not started

The VR activity starts when AT+BVRA=1 is recieved.
If for some reason the activity fails to launch,
then we send ERROR response after 5 seconds.

When the response is ERROR, SCO creation is not
attempted.

CRs-Fixed: 2266962
Change-Id: Idb92788a619c14939e63ada5dda5b48a6d92d817
1 file changed