Choose AudioManager SCO action device depended

Closes #6367
//FREEBIE

src/org/thoughtcrime/securesms/webrtc/audio/BluetoothStateManager.java

@@ -58,7 +58,7 @@ public class BluetoothStateManager {
       context.registerReceiver(bluetoothConnectionReceiver, new IntentFilter(BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED));
     }
 
-    Intent sticky = context.registerReceiver(bluetoothScoReceiver, new IntentFilter(AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED));
+    Intent sticky = context.registerReceiver(bluetoothScoReceiver, new IntentFilter(getScoChangeIntent()));
 
     if (sticky != null) {
       bluetoothScoReceiver.onReceive(context, sticky);