RFR: 8372592: Adjust logger usage in java2d tests

[Laurent Bourgès]

On Thu, 11 Dec 2025 22:37:56 GMT, Phil Race <prr at openjdk.org> wrote:

> We had a previous mysterious failure that looks like it was due to a logger being gc'd.
> To prevent that update all the marlin tests to use a logger stored in a static.
> The 'final' modifier probably isn't necessary for this but is harmless, I'm doing the minimum here
> so I don't want to go change log -> LOG everywhere just because its now final.

LGTM

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PR Comment: https://git.openjdk.org/jdk/pull/28778#issuecomment-3645405245