[jdk21u-dev] RFR: 8328665: serviceability/jvmti/vthread/PopFrameTest failed with a timeout

[Goetz Lindenmaier]

I backport this for parity with 21.0.6-oracle.

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Commit messages:
 - Backport 70c8ff1c9a9adf21a16d8a6b4da1eeec65afe61d

Changes: https://git.openjdk.org/jdk21u-dev/pull/963/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=963&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8328665
  Stats: 17 lines in 1 file changed: 9 ins; 2 del; 6 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/963.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/963/head:pull/963

PR: https://git.openjdk.org/jdk21u-dev/pull/963