Update NOTICE (#162)

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NOTICE

@@ -1,14 +1,11 @@
-Portions Copyright 2020 Pivotal Software, Inc.
-Portions Copyright 2016 Google Inc.
+Copyright (c) 2021-Present CloudFoundry.org Foundation, Inc. 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.
-You may obtain a copy of the License at
+This project contains software that is Copyright 2020 Pivotal Software, Inc.
+This project contains software that is Copyright 2016 Google Inc.
 
-   http://www.apache.org/licenses/LICENSE-2.0
+This project is licensed to you under the Apache License, Version 2.0 (the "License").
+You may not use this project except in compliance with the License.
 
-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.
+This project may include a number of subcomponents with separate copyright notices
+and license terms. Your use of these subcomponents is subject to the terms and 
+conditions of the subcomponent's license, as noted in the LICENSE file.