Merge "Revert "Clean up unused code of PRIORITY"" into main

.../src/com/android/bluetooth/btservice/PhonePolicyTest.java

...rc/com/android/bluetooth/le_audio/LeAudioServiceTest.java

framework/java/android/bluetooth/BluetoothA2dp.java

framework/java/android/bluetooth/BluetoothA2dpSink.java

framework/java/android/bluetooth/BluetoothAdapter.java

framework/java/android/bluetooth/BluetoothHeadset.java

framework/java/android/bluetooth/BluetoothHeadsetClient.java

framework/java/android/bluetooth/BluetoothHearingAid.java

framework/java/android/bluetooth/BluetoothHidHost.java

framework/java/android/bluetooth/BluetoothMap.java

framework/java/android/bluetooth/BluetoothMapClient.java

framework/java/android/bluetooth/BluetoothPbapClient.java

framework/java/android/bluetooth/BluetoothSap.java