Make BluetoothPbap implement BluetoothProfile (1/3)

* BluetoothPbap will implement BluetoothProfile to be consistent with
other profiles
* Changed the method names to match the BluetoothProfile method
signatures
* Removed doesClassMatchSink() as it is never used
* Disable default DEBUG logs

Test: test with carkits
Bug: 69417672
Change-Id: I0766188f77468808d7505780c781f5fd8608af60