Add copyright notice to new files

src/main/java/com/amazon/opendistro/elasticsearch/performanceanalyzer/collections/TimeExpiringSet.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * 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://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  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 com.amazon.opendistro.elasticsearch.performanceanalyzer.collections;
 
 import com.google.common.cache.Cache;

src/main/java/com/amazon/opendistro/elasticsearch/performanceanalyzer/decisionmaker/actions/FlipFlopDetector.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * 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://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  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 com.amazon.opendistro.elasticsearch.performanceanalyzer.decisionmaker.actions;
 
 /**

src/main/java/com/amazon/opendistro/elasticsearch/performanceanalyzer/decisionmaker/actions/TimedFlipFlopDetector.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * 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://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  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 com.amazon.opendistro.elasticsearch.performanceanalyzer.decisionmaker.actions;
 
 import com.amazon.opendistro.elasticsearch.performanceanalyzer.collections.TimeExpiringSet;

src/test/java/com/amazon/opendistro/elasticsearch/performanceanalyzer/collections/TimeExpiringSetTest.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * 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://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  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 com.amazon.opendistro.elasticsearch.performanceanalyzer.collections;
 
 import java.util.HashSet;

src/test/java/com/amazon/opendistro/elasticsearch/performanceanalyzer/decisionmaker/actions/TimedFlipFlopDetectorTest.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * 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://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  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 com.amazon.opendistro.elasticsearch.performanceanalyzer.decisionmaker.actions;
 
 import static org.mockito.Mockito.when;

src/test/java/com/amazon/opendistro/elasticsearch/performanceanalyzer/decisionmaker/deciders/PublisherTest.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * 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://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  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 com.amazon.opendistro.elasticsearch.performanceanalyzer.decisionmaker.deciders;
 
 import com.amazon.opendistro.elasticsearch.performanceanalyzer.decisionmaker.actions.Action;