Follow changed API.

Change-Id: If4e9190b1dec55f75b5b9283563ef47573053c32
diff --git a/src/com/android/launcher2/AllAppsView.java b/src/com/android/launcher2/AllAppsView.java
index e134bf9..bf439f5 100644
--- a/src/com/android/launcher2/AllAppsView.java
+++ b/src/com/android/launcher2/AllAppsView.java
@@ -129,7 +129,7 @@
         mConfig = ViewConfiguration.get(context);
         setOnClickListener(this);
         setOnLongClickListener(this);
-        setOnTop(true);
+        setZOrderOnTop(true);
         getHolder().setFormat(PixelFormat.TRANSLUCENT);
     }