RFR: 8374544: Add SleepyCat diagnostics for all platforms

[Jaikiran Pai]

On Mon, 5 Jan 2026 20:14:21 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

Hello Roger, the changes look OK to me. The copyright year on the test file will need an update.

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Marked as reviewed by jpai (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/29047#pullrequestreview-3629012918