Fixing set wallpaper crash in Launcher

Change-Id: I3b6299bb10f397209cd69e715fee783abe0c9b64
diff --git a/src/com/android/launcher2/Launcher.java b/src/com/android/launcher2/Launcher.java
index 8eece96..d619aa2 100644
--- a/src/com/android/launcher2/Launcher.java
+++ b/src/com/android/launcher2/Launcher.java
@@ -1459,6 +1459,10 @@
         }
     }
 
+    void processWallpaper(Intent intent) {
+        startActivityForResult(intent, REQUEST_PICK_WALLPAPER);
+    }
+
     void addLiveFolder(Intent intent) {
         // Handle case where user selected "Folder"
         String folderName = getResources().getString(R.string.group_folder);