Tagging where ItemInfos are created for debug purposes

Change-Id: Iad3ed8ef4f81f4990c027ab46fd25b03b089babb

src/com/android/launcher2/FolderInfo.java

@@ -42,7 +42,8 @@ class FolderInfo extends ItemInfo {
 
     ArrayList<FolderListener> listeners = new ArrayList<FolderListener>();
 
-    FolderInfo() {
+    FolderInfo(String whereCreated) {
+        super(whereCreated);
         itemType = LauncherSettings.Favorites.ITEM_TYPE_FOLDER;
     }