QuickSettings: Bind notifications tile to the ringer stream.

So it has the same logic as the dialog version.  The streams
are bound together.

Bug:15314453
Change-Id: Icc8e5f359948b60c52616709cd34a48e108b96cd

packages/SystemUI/src/com/android/systemui/qs/tiles/NotificationsTile.java

@@ -85,7 +85,7 @@ public class NotificationsTile extends QSTile<NotificationsTile.NotificationsSta
                 // noop
             }
         });
-        vp.postVolumeChanged(AudioManager.STREAM_NOTIFICATION, AudioManager.FLAG_SHOW_UI);
+        vp.postVolumeChanged(AudioManager.STREAM_RING, AudioManager.FLAG_SHOW_UI);
         return v;
     }