Re-enabling clipping of children in cell layout (not necessary now that hotdog is out).

Change-Id: Ia10b3d8b12848785ed6731323b00f9d33c71e3d2

src/com/android/launcher2/CellLayout.java

@@ -139,7 +139,6 @@ public class CellLayout extends ViewGroup implements Dimmable {
         // A ViewGroup usually does not draw, but CellLayout needs to draw a rectangle to show
         // the user where a dragged item will land when dropped.
         setWillNotDraw(false);
-        setClipChildren(false);
 
         TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CellLayout, defStyle, 0);