Bluetooth: Unbind only in case of OFF state

In MESSAGE_SAVE_NAME_AND_ADDRESS,BT manager
calls unbindandfinish without checking BT
adapter state which if not OFF, will lead
to improper cleanup. Unbind will get called
but cleanup will not happen.

Change-Id: Ibfc70c51a95f8b80f331090e322ba3ebb88f6c03
CRs-Fixed: 652260