Setting alpha/hardware layers directly in All Apps

Changing it so that PagedViewCellLayout has alpha
and hardware layers set directly on itself rather
than its child view
diff --git a/src/com/android/launcher2/PagedViewCellLayout.java b/src/com/android/launcher2/PagedViewCellLayout.java
index 58b87dc..9e5452b 100644
--- a/src/com/android/launcher2/PagedViewCellLayout.java
+++ b/src/com/android/launcher2/PagedViewCellLayout.java
@@ -86,20 +86,15 @@
         return mCellHeight;
     }
 
-    @Override
-    public void setAlpha(float alpha) {
-        mChildren.setAlpha(alpha);
-    }
-
     void destroyHardwareLayers() {
         // called when a page is no longer visible (triggered by loadAssociatedPages ->
         // removeAllViewsOnPage)
-        mChildren.destroyHardwareLayer();
+        setLayerType(LAYER_TYPE_NONE, null);
     }
 
     void createHardwareLayers() {
         // called when a page is visible (triggered by loadAssociatedPages -> syncPageItems)
-        mChildren.createHardwareLayer();
+        setLayerType(LAYER_TYPE_HARDWARE, null);
     }
 
     @Override
diff --git a/src/com/android/launcher2/PagedViewCellLayoutChildren.java b/src/com/android/launcher2/PagedViewCellLayoutChildren.java
index eaef682..187a22d 100644
--- a/src/com/android/launcher2/PagedViewCellLayoutChildren.java
+++ b/src/com/android/launcher2/PagedViewCellLayoutChildren.java
@@ -141,13 +141,6 @@
         }
     }
 
-    void destroyHardwareLayer() {
-        setLayerType(LAYER_TYPE_NONE, null);
-    }
-    void createHardwareLayer() {
-        setLayerType(LAYER_TYPE_HARDWARE, null);
-    }
-
     public void enableCenteredContent(boolean enabled) {
         mCenterContent = enabled;
     }