Get JDK 28 underway. - [x] I confirm that I make this contribution in accordance with the [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai).
------------- Commit messages: - Add test ids and cleanup - Update copyright years - Initial commit Changes: https://git.openjdk.org/jdk/pull/31268/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=31268&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8384833 Stats: 121 lines in 34 files changed: 48 ins; 0 del; 73 mod Patch: https://git.openjdk.org/jdk/pull/31268.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/31268/head:pull/31268 PR: https://git.openjdk.org/jdk/pull/31268
