Calling removeItems() should mark the item's previous cell as unoccupied. (3405806)

Change-Id: I99de0149dea5b487ed75e2469478e2346cd5b5df
diff --git a/src/com/android/launcher2/CellLayoutChildren.java b/src/com/android/launcher2/CellLayoutChildren.java
index 09ab266..782db73 100644
--- a/src/com/android/launcher2/CellLayoutChildren.java
+++ b/src/com/android/launcher2/CellLayoutChildren.java
@@ -167,4 +167,4 @@
     protected void setChildrenDrawnWithCacheEnabled(boolean enabled) {
         super.setChildrenDrawnWithCacheEnabled(enabled);
     }
-}
\ No newline at end of file
+}