log visibility of views

Depends-On: I5b1dccb5d103ece3112acf38889bae16273b092f
Change-Id: I116aed2bb805f723a5bf2ec9eb94257de0b4a7b5
diff --git a/src/com/android/settings/HighlightingFragment.java b/src/com/android/settings/HighlightingFragment.java
index 4a233b4..ef2fbf3 100644
--- a/src/com/android/settings/HighlightingFragment.java
+++ b/src/com/android/settings/HighlightingFragment.java
@@ -23,7 +23,7 @@
 import android.view.View;
 import android.view.ViewGroup;
 
-public class HighlightingFragment extends Fragment {
+public abstract class HighlightingFragment extends InstrumentedFragment {
 
     private static final String TAG = "HighlightSettingsFragment";