Create separate project for Wallpaper Picker

Change-Id: Id9e855780b9fb68c63eb6e9f6c19bcbce28a6fd5
diff --git a/update_system_wallpaper_cropper.py b/update_system_wallpaper_cropper.py
index 36904f2..44cbcc9 100644
--- a/update_system_wallpaper_cropper.py
+++ b/update_system_wallpaper_cropper.py
@@ -5,7 +5,7 @@
 # necessary so do this with care
 import os
 import sys
-src_dir = "wallpaper_picker_src/"
+src_dir = "WallpaperPicker/src/"
 files = """
 src/android/util/Pools.java
 com/android/gallery3d/util/IntArray.java