Add a dummy activity which we can catch on-click in launcher to open allapps/widgets

Change-Id: Idc718a9e03e7358f972c59fcfc3bf2eaf75e56ee
diff --git a/src/com/android/launcher3/Folder.java b/src/com/android/launcher3/Folder.java
index 347a1d4..1214806 100644
--- a/src/com/android/launcher3/Folder.java
+++ b/src/com/android/launcher3/Folder.java
@@ -236,14 +236,7 @@
     public void onClick(View v) {
         Object tag = v.getTag();
         if (tag instanceof ShortcutInfo) {
-            // refactor this code from Folder
-            ShortcutInfo item = (ShortcutInfo) tag;
-            int[] pos = new int[2];
-            v.getLocationOnScreen(pos);
-            item.intent.setSourceBounds(new Rect(pos[0], pos[1],
-                    pos[0] + v.getWidth(), pos[1] + v.getHeight()));
-
-            mLauncher.startActivitySafely(v, item.intent, item);
+            mLauncher.onClick(v);
         }
     }