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

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

src/com/android/settings/print/PrintSettingPreferenceController.java

@@ -84,10 +84,7 @@ public class PrintSettingPreferenceController extends BasePreferenceController i
 
     @Override
     public void updateState(Preference preference) {
-        if (preference == null) {
-            return;
-        }
-        preference.setSummary(getSummary());
+        super.updateState(preference);
         ((RestrictedPreference) preference).checkRestrictionAndSetDisabled(
                 UserManager.DISALLOW_PRINTING);
     }