log visibility of views

Depends-On: I5b1dccb5d103ece3112acf38889bae16273b092f
Change-Id: I116aed2bb805f723a5bf2ec9eb94257de0b4a7b5

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

@@ -48,6 +48,7 @@ import android.provider.SearchIndexableResource;
 import android.provider.Settings;
 import android.util.Log;
 
+import com.android.internal.logging.MetricsLogger;
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.DropDownPreference;
 import com.android.settings.R;
@@ -104,6 +105,11 @@ public class NotificationSettings extends SettingsPreferenceFragment implements
     private ComponentName mSuppressor;
     private int mRingerMode = -1;
 
+    @Override
+    protected int getMetricsCategory() {
+        return MetricsLogger.NOTIFICATION;
+    }
+
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);