Revert "Bug #810 was Fixed"

This reverts commit 845762f8d0a5f40f2ca44d8bb8a4318b0f2101da.

src/main/java/com/owncloud/android/ui/preview/PreviewMediaFragment.java

@@ -681,8 +681,6 @@ public class PreviewMediaFragment extends FileFragment implements
         }
 
         private void prepareMediaController() {
-            mMultiView.setVisibility(View.GONE);
-            mPreviewContainer.setVisibility(View.VISIBLE);
             mMediaServiceBinder.registerMediaController(mMediaController);
             if (mMediaController != null) {
                 mMediaController.setMediaPlayer(mMediaServiceBinder);