[jdk26] RFR: 8373643: Test serviceability/jvmti/vthread/ThreadListStackTracesTest/ThreadListStackTracesTest.java still failing

[Serguei Spitsyn]

Please, review a jdk 26 backport. This pull request contains a clean backport of simple [12894a87](https://github.com/openjdk/jdk/commit/12894a870a3c8d1da13a885cc006458ae9475b6e) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository. This changeset was reviewed by @lmesnik .

Thanks!

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Commit messages:
 - Backport 12894a870a3c8d1da13a885cc006458ae9475b6e

Changes: https://git.openjdk.org/jdk/pull/29211/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=29211&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8373643
  Stats: 7 lines in 1 file changed: 2 ins; 0 del; 5 mod
  Patch: https://git.openjdk.org/jdk/pull/29211.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/29211/head:pull/29211

PR: https://git.openjdk.org/jdk/pull/29211