Promotion of bt.lnx.2.1-00007.

CRs      Change ID                                   Subject
--------------------------------------------------------------------------------------------------------------
1045491   Ida3b3c12a97604919fbab6d7f4f34b9daa93d85a   Bluetooth: Adapterservice Cleanup and unbind conditional
1058563   I57d7731010ba058b2ae4aa983f50ba87a160b1b8   BT: Send broadcast for audio state change
1058006   I2b25ec059cf2ea7de23d597c6ba6e75610cdc3d5   HFP AG: Broadcast disconnected state while BT is turning
1060548   I2ef7c6f6197ee010dc794fe5ac2b93a0dc144bf5   AVRCP: Fix for wrong metadata update and play position

Change-Id: If4a2710c5060604cf4fa5c882c1a214dfa2b2de6
CRs-Fixed: 1060548, 1045491, 1058006, 1058563