Update headers tools files.
The checkstyle header check now requires to have the year 2009 which is the
year Beem was first released.
<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2007 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.
-->
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<gradient android:startColor="#3333FF" android:endColor="#8080FF"
android:angle="0"/>
<corners android:radius="6dp" />
</shape>