Add a copyright header to AndroidManifest.xml

Change-Id: I588d7acc6f64360404440ad8dc2c00296046b09d

java/AndroidManifest.xml

@@ -1,3 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2012 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.
+-->
+
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
         coreApp="true"
         package="com.android.inputmethod.latin">