use com.android.wallpaper as wallpaper picker
diff --git a/res/values/config.xml b/res/values/config.xml
index 5a6698b..4c30b1d 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -101,7 +101,7 @@
     <item type="id" name="menu_apply_flags" />
 
     <!-- Default packages -->
-    <string name="wallpaper_picker_package" translatable="false"></string>
+    <string name="wallpaper_picker_package" translatable="false">com.android.wallpaper</string>
     <string name="custom_activity_picker" translatable="false">
         com.android.customization.picker.CustomizationPickerActivity</string>
     <string name="local_colors_extraction_class" translatable="false"></string>