RFR: JDK-8267423: Fix copyrights in jpackage tests

[Andy Herrick]

JDK-8267423: Fix copyrights in jpackage tests

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Commit messages:
 - JDK-8267423: Fix copyrights in jpackage tests
 - JDK-8267423: Fix copyrights in jpackage tests
 - JDK-8267423: Fix copyrights in jpackage tests
 - JDK-8267423: Fix copyrights in jpackage tests

Changes: https://git.openjdk.java.net/jdk/pull/4144/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4144&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8267423
  Stats: 96 lines in 10 files changed: 69 ins; 14 del; 13 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4144.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4144/head:pull/4144

PR: https://git.openjdk.java.net/jdk/pull/4144