[jdk22u] RFR: 8323964: runtime/Thread/ThreadCountLimit.java fails intermittently on AIX

[Matthias Baesken]

8323964: runtime/Thread/ThreadCountLimit.java fails intermittently on AIX

-------------

Commit messages:
 - Backport 3696765b7d1faec4bd23761a7a1b627d8903598d

Changes: https://git.openjdk.org/jdk22u/pull/45/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk22u&pr=45&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8323964
  Stats: 18 lines in 2 files changed: 10 ins; 0 del; 8 mod
  Patch: https://git.openjdk.org/jdk22u/pull/45.diff
  Fetch: git fetch https://git.openjdk.org/jdk22u.git pull/45/head:pull/45

PR: https://git.openjdk.org/jdk22u/pull/45