Add logging to launcher2 to help diagnose 2239265 since QA keeps reassigning it to me without

providing more detailed steps to reproduce.

src/com/android/launcher2/AllAppsView.java

@@ -564,6 +564,7 @@ public class AllAppsView extends RSSurfaceView
             if (index < 0) {
                 index = -(index+1);
             }
+            Log.d(TAG, "Adding app '" + item + "' at index " + index + " mRollo=" + mRollo);
             mAllAppsList.add(index, item);
             if (mRollo != null) {
                 mRollo.addApp(index, item);