log visibility of views

Depends-On: I5b1dccb5d103ece3112acf38889bae16273b092f
Change-Id: I116aed2bb805f723a5bf2ec9eb94257de0b4a7b5

src/com/android/settings/ScreenPinningSettings.java

@@ -30,6 +30,7 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Switch;
 
+import com.android.internal.logging.MetricsLogger;
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
@@ -52,6 +53,11 @@ public class ScreenPinningSettings extends SettingsPreferenceFragment
     private SwitchPreference mUseScreenLock;
     private LockPatternUtils mLockPatternUtils;
 
+    @Override
+    protected int getMetricsCategory() {
+        return MetricsLogger.SCREEN_PINNING;
+    }
+
     @Override
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);