Add headers to xml files

Test: N/A
Bug: 378405548
Change-Id: I9c4545e45d9c400fcda5be0e4674e3795b46125e
diff --git a/android/TerminalApp/res/values/dimens.xml b/android/TerminalApp/res/values/dimens.xml
index e6ed461..e00ef7c 100644
--- a/android/TerminalApp/res/values/dimens.xml
+++ b/android/TerminalApp/res/values/dimens.xml
@@ -1,3 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--  Copyright 2024 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.
+ -->
+
 <resources>
     <dimen name="activity_split_ratio">0.3</dimen>
 </resources>
\ No newline at end of file