log visibility of views

Depends-On: I5b1dccb5d103ece3112acf38889bae16273b092f
Change-Id: I116aed2bb805f723a5bf2ec9eb94257de0b4a7b5

src/com/android/settings/DataUsageSummary.java

@@ -127,6 +127,7 @@ import android.widget.TabHost.TabSpec;
 import android.widget.TabWidget;
 import android.widget.TextView;
 
+import com.android.internal.logging.MetricsLogger;
 import com.android.internal.telephony.PhoneConstants;
 import com.android.settings.drawable.InsetBoundsDrawable;
 import com.android.settings.net.ChartData;
@@ -290,6 +291,11 @@ public class DataUsageSummary extends HighlightingFragment implements Indexable
      */
     private final Map<String, Boolean> mMobileDataEnabled = new HashMap<String, Boolean>();
 
+    @Override
+    protected int getMetricsCategory() {
+        return MetricsLogger.DATA_USAGE_SUMMARY;
+    }
+
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);