PBAP: Send intents during connection state transitions

* PBAP connection state changed intent was accidentally removed in
  I77ebb7f64370326b717db64cb94c8696f74b0c5c and should be added back
  during each state transition
* There should be a break after handling REQUEST_PERMISSION message in
  WaitingForAuth state

Bug: 73385732
Test: make, connect to headset with PBAP support
Change-Id: Ief7d88094d4a909188986fea49c5ce6b64a14833