Fix license header on EnvironmentVariableNames
+/*
+ * Copyright (C) 2020 Temporal Technologies, Inc. All Rights Reserved.
+ *
+ * Copyright 2012-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * Modifications copyright (C) 2017 Uber Technologies, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"). You may not
+ * use this file except in compliance with the License. A copy of the License is
+ * located at
+ *
+ * http://aws.amazon.com/apache2.0
+ *
+ * or in the "license" file accompanying this file. This file 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.
+ */
+
package io.temporal.conf;
public final class EnvironmentVariableNames {
