Getting rid of additive blending for overscroll (issue 11072246)

Change-Id: Id833f3488b2f25aa948d6cb7a9f04367be36c7b0
diff --git a/src/com/android/launcher3/CellLayout.java b/src/com/android/launcher3/CellLayout.java
index 1d10553..1e9a025 100644
--- a/src/com/android/launcher3/CellLayout.java
+++ b/src/com/android/launcher3/CellLayout.java
@@ -547,10 +547,7 @@
         super.dispatchDraw(canvas);
         if (mForegroundAlpha > 0) {
             mOverScrollForegroundDrawable.setBounds(mForegroundRect);
-            Paint p = ((NinePatchDrawable) mOverScrollForegroundDrawable).getPaint();
-            p.setXfermode(sAddBlendMode);
             mOverScrollForegroundDrawable.draw(canvas);
-            p.setXfermode(null);
         }
     }