A2dpSink: Don't create BluetoothAvrcpHandler thread unnecessarily.

When BT turn on, While AvrcpControllerservice service starts, don't
create the therad BluetoothAvrcpHandler, which is of no use and it
is not cleaned up while BT turn off, which results in causing fd leak.

CRs-Fixed: 2458317
Change-Id: I7e528a7544f232f944ac0fedda41b287edcd9ea7
1 file changed