Let exoplayer wake mode to WAKE_MODE_NETWORK

app/src/main/java/com/cappielloantonio/play/service/MultiPlayer.java

@@ -110,6 +110,7 @@ public class MultiPlayer implements Playback {
                 .setMediaSourceFactory(new DefaultMediaSourceFactory(cacheDataSourceFactory))
                 .setAudioAttributes(audioAttributes, true)
                 .setHandleAudioBecomingNoisy(true)
+                .setWakeMode(C.WAKE_MODE_NETWORK)
                 .build();
 
         exoPlayer.addListener(eventListener);