Mark access to private styles now that aapt enforces this.

Change-Id: I76a05f38f2b7598362e7dda2f5bf751c05447928
diff --git a/res/values-large/styles.xml b/res/values-large/styles.xml
index 266a01e..858a63a 100644
--- a/res/values-large/styles.xml
+++ b/res/values-large/styles.xml
@@ -18,7 +18,7 @@
 -->
 
 <resources>
-    <style name="Theme.WallpaperPicker" parent="android:Theme.Holo.Dialog.NoFrame">
+    <style name="Theme.WallpaperPicker" parent="@*android:Theme.Holo.Dialog.NoFrame">
     </style>
 
     <style name="Theme" parent="android:Theme.Holo">