Add policy disabled msg as empty views in zenmode related fragments.

Change-Id: I0d7489d2884ffd5c227a37a638d560bf033f5cd9

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

@@ -28,7 +28,9 @@ import android.provider.Settings;
 import android.provider.Settings.Global;
 import android.service.notification.ZenModeConfig;
 import android.util.Log;
+import android.view.View;
 
+import com.android.settings.R;
 import com.android.settings.RestrictedSettingsFragment;
 
 import java.util.List;
@@ -67,10 +69,16 @@ abstract public class ZenModeSettingsBase extends RestrictedSettingsFragment {
         maybeRefreshRules(true, true /*fireChanged*/);
         mSettingsObserver.register();
         if (isUiRestricted()) {
-            finish();
+            getPreferenceScreen().removeAll();
+            return;
         }
     }
 
+    @Override
+    protected View initAdminSupportDetailsView() {
+        return getActivity().findViewById(R.id.admin_support_details);
+    }
+
     @Override
     public void onPause() {
         super.onPause();