Fix $#%^&%!! SDK build.

Change-Id: I03841e00d2d67af88fed716753aedabb5dbe48d9
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index b394f01..1fcfe63 100644
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -3416,7 +3416,8 @@
          referenced from its
          {@link android.service.wallpaper.WallpaperService#SERVICE_META_DATA}
          meta-data entry.  Described here are the attributes that can be
-         included in that tag. -->
+         included in that tag.
+         @hide Live Wallpaper -->
     <declare-styleable name="Wallpaper">
         <!-- Component name of an activity that allows the user to modify
              the current settings for this wallpaper. -->