RFR: 8365057: Add support for java.util.concurrent lock information to Thread.dump_to_file [v3]

[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:

  Update test/jdk/com/sun/management/HotSpotDiagnosticMXBean/DumpThreads.java
  
  Co-authored-by: David Holmes <62092539+dholmes-ora at users.noreply.github.com>

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Changes:
  - all: https://git.openjdk.org/jdk/pull/27457/files
  - new: https://git.openjdk.org/jdk/pull/27457/files/5a2a8dc7..e8715cc2

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=27457&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=27457&range=01-02

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 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