RFR: 1704: Add or update copyright header in some files

[Zhao Song]

On Fri, 2 Dec 2022 00:36:50 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

> Sorry, that was just an example, to built upon. That particular sequence of command will find which files have been changed for a set of git commits, and will update the year to 2022. To get what you need for this PR is a bit more tricky.
> 
> There is a script in the JDK, https://github.com/openjdk/jdk/blob/master/make/scripts/update_copyright_year.sh, which does something along these lines. I don't know if you can just download and run it in Skara, or if it needs adaptation.

I ran the script in Skara and it worked perfectly! Thank you!

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PR: https://git.openjdk.org/skara/pull/1431