LeAudio: Fix reconnecting LeAudio when profile is disabled

When BT is enabled we should set the BT device autoconnect
feature according to the profile connection policy to avoid the
unnecessary and endless LE link establishment and disconnection cycle.

Bug: 369784445
Test: atest GoogleBluetoothInstrumentationTests
Flag: Exempt; Bug fix covered with unit test
Change-Id: I069227b70c6d66978a7bb1a32968fd47989ac3a7