RFCOMM: Add more logging during port close

* Log MAC address and UUIDs of closed connections
* Log reasons for RFCOMM closure when generic CLOSE is used
  as reason

Bug: 65080465
Test: Use profiles that use RFCOMM
Change-Id: Iff9f7537989e51d7b98f7cf1241db3f196f501d7
(cherry picked from commit 572e13df)