Fix an error that is not being expressed

Change-Id: I8c3488906b5b95aaf20b996f488ff01bad76300c

src/com/android/launcher2/CellLayout.java

@@ -1026,7 +1026,7 @@ public class CellLayout extends ViewGroup {
         super.onSizeChanged(w, h, oldw, oldh);
         mBackgroundRect.set(0, 0, w, h);
         mForegroundRect.set(mForegroundPadding, mForegroundPadding,
-                w - 2 * mForegroundPadding, h - 2 * mForegroundPadding);
+                w - mForegroundPadding, h - mForegroundPadding);
     }
 
     @Override