RFR: 8365057: Add support for java.util.concurrent lock information to Thread.dump_to_file [v2]

[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/b0425b68..5a2a8dc7

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=27457&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=27457&range=00-01

  Stats: 19 lines in 3 files changed: 5 ins; 3 del; 11 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