Fixing issue where drag icons/holographic bg included the text labels.

Change-Id: I0be61ca6de45a75a21bde7ab9471ee48e31712fc
diff --git a/src/com/android/launcher2/BubbleTextView.java b/src/com/android/launcher2/BubbleTextView.java
index d02f597..ad01fac 100644
--- a/src/com/android/launcher2/BubbleTextView.java
+++ b/src/com/android/launcher2/BubbleTextView.java
@@ -283,7 +283,7 @@
         super.draw(canvas);
         canvas.save(Canvas.CLIP_SAVE_FLAG);
         canvas.clipRect(mScrollX, mScrollY + getExtendedPaddingTop(), mScrollX + getWidth(),
-                mScrollY + getHeight(), Region.Op.REPLACE);
+                mScrollY + getHeight(), Region.Op.INTERSECT);
         getPaint().setShadowLayer(SHADOW_SMALL_RADIUS, 0.0f, 0.0f, SHADOW_SMALL_COLOUR);
         super.draw(canvas);
         canvas.restore();