log visibility of views

Depends-On: I5b1dccb5d103ece3112acf38889bae16273b092f
Change-Id: I116aed2bb805f723a5bf2ec9eb94257de0b4a7b5

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

@@ -50,6 +50,7 @@ import android.util.SparseArray;
 import android.widget.ScrollView;
 import android.widget.TimePicker;
 
+import com.android.internal.logging.MetricsLogger;
 import com.android.settings.DropDownPreference;
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
@@ -143,6 +144,11 @@ public class ZenModeSettings extends SettingsPreferenceFragment implements Index
     private Preference mConditionProviders;
     private AlertDialog mDialog;
 
+    @Override
+    protected int getMetricsCategory() {
+        return MetricsLogger.NOTIFICATION_ZEN_MODE;
+    }
+
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);