Add missing license headers.
PiperOrigin-RevId: 321069308
diff --git a/pom.xml b/pom.xml
index c95d8a8..5ae7a42 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,4 +1,20 @@
<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright 2020 Google Inc.
+
+ 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.
+-->
+
<project
xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"