Merge "Maybe fix NPE - don't notifyChange if selected visibility is the same" into main

src/com/android/settings/notification/app/BubblePreference.java

@@ -80,8 +80,10 @@ public class BubblePreference extends Preference implements RadioGroup.OnChecked
     }
 
     public void setSelectedVisibility(boolean visible) {
-        mSelectedVisible = visible;
+        if (mSelectedVisible != visible) {
-        notifyChanged();
+            mSelectedVisible = visible;
+            notifyChanged();
+        }
     }
 
     @Override