Create separate project for Wallpaper Picker

Change-Id: Id9e855780b9fb68c63eb6e9f6c19bcbce28a6fd5
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 1e418ec..4e27e6f 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -104,7 +104,7 @@
         </activity>
 
         <activity
-            android:name="com.android.launcher3.WallpaperPickerActivity"
+            android:name="com.android.launcher3.LauncherWallpaperPickerActivity"
             android:theme="@style/Theme.WallpaperCropper"
             android:label="@string/pick_wallpaper"
             android:icon="@mipmap/ic_launcher_wallpaper"