Lazy loading high res icons

> Loading low-res icons for icons which are not visible on
the homescreen.

Change-Id: I8ac7bf09f6030ed554cb60a4cd402f3f36ffe12b
diff --git a/src/com/android/launcher3/Folder.java b/src/com/android/launcher3/Folder.java
index deb94ca..c7c6571 100644
--- a/src/com/android/launcher3/Folder.java
+++ b/src/com/android/launcher3/Folder.java
@@ -536,6 +536,11 @@
         if (mDragController.isDragging()) {
             mDragController.forceTouchMove();
         }
+
+        if (ALLOW_FOLDER_SCROLL) {
+            FolderPagedView pages = (FolderPagedView) mContent;
+            pages.verifyVisibleHighResIcons(pages.getNextPage());
+        }
     }
 
     public void beginExternalDrag(ShortcutInfo item) {