Enabling clings for tablets (Bug 5506377)

Change-Id: Id0cdc7e2a101788f790340cd5acf6abb33419de6
diff --git a/res/layout-sw600dp/launcher.xml b/res/layout-sw600dp/launcher.xml
index bfa6f3e..94c69a6 100644
--- a/res/layout-sw600dp/launcher.xml
+++ b/res/layout-sw600dp/launcher.xml
@@ -45,4 +45,10 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:visibility="gone" />
+
+    <include layout="@layout/folder_cling"
+        android:id="@+id/folder_cling"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:visibility="gone" />
 </com.android.launcher2.DragLayer>