As requested in [SKARA-1357](https://bugs.openjdk.org/browse/SKARA-1357), now skara bot is able to check the copyright header format. Now I am going to update the jcheck configuration to configure copyright check as an error.
------------- Commit messages: - udpate - 8346046 Changes: https://git.openjdk.org/jdk/pull/22721/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22721&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8346046 Stats: 6 lines in 1 file changed: 5 ins; 0 del; 1 mod Patch: https://git.openjdk.org/jdk/pull/22721.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/22721/head:pull/22721 PR: https://git.openjdk.org/jdk/pull/22721
