Updated license for ImportProcessor an it's examples
MODIFY
package/com.unity.formats.usd/Samples/ImportProcessor/RegexImportProcessor.cs
package/com.unity.formats.usd/Samples/ImportProcessor/RegexImportProcessor.cs
-// Copyright 2019 Pixar Animation Studios
-//
// 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

Updated license for ImportProcessor an it's examples