Fixing alpha issue on AllApps.

Change-Id: Ifbd81b3e8009cff963bb03bd953e498f8677cc38
diff --git a/src/com/android/launcher2/PagedViewCellLayout.java b/src/com/android/launcher2/PagedViewCellLayout.java
index 2413996..219a362 100644
--- a/src/com/android/launcher2/PagedViewCellLayout.java
+++ b/src/com/android/launcher2/PagedViewCellLayout.java
@@ -75,9 +75,9 @@
 
     @Override
     public void setAlpha(float alpha) {
-        super.setAlpha(alpha);
-        setChildrenAlpha(alpha);
         mHolographicAlpha = 1.0f - alpha;
+        setChildrenAlpha(alpha);
+        super.setAlpha(alpha);
     }
 
     @Override