* Setup basic xml for hearing device controls and audio output in bluetooth detail device page. * Use same PreferenceCategory with spatial audio and rename to `feature_controls_group` Bug: 237625815 Test: make RunSettingsRoboTests ROBOTEST_FILTER=BluetoothDetailsHearingDeviceControlsControllerTest Test: make RunSettingsRoboTests ROBOTEST_FILTER=BluetoothDetailsAudioRoutingControllerTest Change-Id: Ibe71757b53b9d65c6ab6efa1053d035e78882b68