RFR: 8365057: Add support for java.util.concurrent lock information to Thread.dump_to_file [v4]

[Alex Menkov]

> 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:

  feedback

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Changes:
  - all: https://git.openjdk.org/jdk/pull/27457/files
  - new: https://git.openjdk.org/jdk/pull/27457/files/e8715cc2..fb3d55ad

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=27457&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=27457&range=02-03

  Stats: 3 lines in 2 files changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/27457.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27457/head:pull/27457

PR: https://git.openjdk.org/jdk/pull/27457