Loading the workspace favourites in reverse order to work around duplicate issue. (5208427)

Change-Id: I87dee7a9aab345740f51d8168c6b073a93e20652
diff --git a/src/com/android/launcher2/LauncherModel.java b/src/com/android/launcher2/LauncherModel.java
index e0b04da..c61607e 100644
--- a/src/com/android/launcher2/LauncherModel.java
+++ b/src/com/android/launcher2/LauncherModel.java
@@ -949,9 +949,12 @@
             final ArrayList<Long> itemsToRemove = new ArrayList<Long>();
 
             final Cursor c = contentResolver.query(
-                    LauncherSettings.Favorites.CONTENT_URI, null, null, null, null);
+                    LauncherSettings.Favorites.CONTENT_URI, null, null, null,
+                    LauncherSettings.Favorites._ID + " DESC");
 
             // +1 for the hotseat (it can be larger than the workspace)
+            // Load workspace in reverse order to ensure that latest items are loaded first (and
+            // before any earlier duplicates)
             final ItemInfo occupied[][][] =
                     new ItemInfo[Launcher.SCREEN_COUNT + 1][mCellCountX + 1][mCellCountY + 1];