Added copyright license to fade_out.xml.

Change-Id: I58149e0699b02b59d61919a7b25df1e0daa6fde8

WallpaperPicker/res/anim/fade_out.xml

@@ -1,4 +1,19 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2014 The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+
 <!-- startOffset is the same as the duration of the wallpaper_enter animation. We have this delay so
     that we don't see the wallpaper changing before fading back to the home screen. -->
 <alpha xmlns:android="http://schemas.android.com/apk/res/android"