HFP: Fix ACL collision handling and WBS update

* Correctly set control block handle when passing WBS event data to
  upstream
* Correctly reject local outgoing connection when a colliding incoming
  connection is connected to RFCOMM
* Add more logging to help with future debugging

Bug: 80251999
Test: connect HFP devices rapidly and toggle Bluetooth rapidly
      testplans/details/166812/3975
Change-Id: I90616d70335ca68c40251fb722146924c4801cbe