RFR: 8365057: Add support for java.util.concurrent lock information to Thread.dump_to_file [v6]

[Serguei Spitsyn]

On Fri, 26 Sep 2025 19:05:32 GMT, Alex Menkov <amenkov at openjdk.org> wrote:

>> The fix updates `jcmd Thread.dump_to_file`/`HotSpotDiagnosticMXBean.dumpThreads` implementation to report thread which owns parkBlocker.
>> 
>> Testing: tier1..4,hs-tier5-svc
>
> Alex Menkov has updated the pull request incrementally with one additional commit since the last revision:
> 
>   reverted comment

Marked as reviewed by sspitsyn (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/27457#pullrequestreview-3273600528