RFR: 8374544: Add SleepyCat diagnostics for all platforms [v2]

[Jaikiran Pai]

On Tue, 6 Jan 2026 15:37:35 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

>> To aid diagnosis of these intermittent failures, add diagnostic information to the test failures.
>> On timeout, show ps and lsof commands for processes under test Add TEST.properties to increase jtreg maxOutputSize=6000000
>
> Roger Riggs has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Correct copyright in test

Marked as reviewed by jpai (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/29047#pullrequestreview-3631727097