Fix Checkstyle violations in MediaSourceManager

app/src/main/java/org/schabi/newpipe/player/playback/MediaSourceManager.java

@@ -355,7 +355,8 @@ public class MediaSourceManager {
     //////////////////////////////////////////////////////////////////////////*/
 
     private Observable<Long> getEdgeIntervalSignal() {
-        return Observable.interval(progressUpdateIntervalMillis, TimeUnit.MILLISECONDS, AndroidSchedulers.mainThread())
+        return Observable.interval(progressUpdateIntervalMillis,
+                                   TimeUnit.MILLISECONDS, AndroidSchedulers.mainThread())
                 .filter(ignored ->
                         playbackListener.isApproachingPlaybackEdge(playbackNearEndGapMillis));
     }