Remove custom updateState() if it's just setting summary

Change-Id: I6311d67d6ba11961a6814b91dcd8e37a2e17df40
Fixes: 73950519
Test: rerun robotests

src/com/android/settings/notification/HeaderPreferenceController.java

@@ -51,6 +51,7 @@ public class HeaderPreferenceController extends NotificationPreferenceController
         return mAppRow != null;
     }
 
+    @Override
     public void updateState(Preference preference) {
         if (mAppRow != null && mFragment != null) {
             LayoutPreference pref = (LayoutPreference) preference;