Merge change 25734 into eclair

* changes:
  Show the live wallpaper on the lock screen.

core/java/android/view/WindowManagerPolicy.java

@@ -435,6 +435,12 @@ public interface WindowManagerPolicy {
      */
     public int subWindowTypeToLayerLw(int type);
 
+    /**
+     * Get the highest layer (actually one more than) that the wallpaper is
+     * allowed to be in.
+     */
+    public int getMaxWallpaperLayer();
+    
     /**
      * Called when the system would like to show a UI to indicate that an
      * application is starting.  You can use this to add a