Loading high resolution icons for first 3 items in a folder

> Sometimes a folder gets rearranged, without updating the model,
   like when an app in uninstalled. In that case, we need to update
   the icons for folder items, which were previously hidden

Bug: 22813360
Change-Id: I99754911c969bf2153efb2948c226c1c69219b88

src/com/android/launcher3/FolderPagedView.java

@@ -329,6 +329,10 @@ public class FolderPagedView extends PagedView {
                 lp.cellY = info.cellY;
                 currentPage.addViewToCellLayout(
                         v, -1, mFolder.mLauncher.getViewIdForItem(info), lp, true);
+
+                if (rank < FolderIcon.NUM_ITEMS_IN_PREVIEW && v instanceof BubbleTextView) {
+                    ((BubbleTextView) v).verifyHighRes();
+                }
             }
 
             rank ++;