[jdk21u-dev] RFR: 8332857: Test vmTestbase/nsk/jvmti/GetThreadCpuTime/thrcputime002/TestDescription.java failed

[Satyen Subramaniam]

Backporting JDK-8332857: Test vmTestbase/nsk/jvmti/GetThreadCpuTime/thrcputime002/TestDescription.java failed. Patch adds synchronization to the test, backporting for parity with oracle. Ran GHA Sanity Checks, local Tier 1 and 2, and adjusted test directly. Patch is clean.

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Commit messages:
 - Backport 6ef860c728d3f2f29fe8f7318c0f56032e0679be

Changes: https://git.openjdk.org/jdk21u-dev/pull/2016/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2016&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8332857
  Stats: 11 lines in 1 file changed: 10 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2016.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2016/head:pull/2016

PR: https://git.openjdk.org/jdk21u-dev/pull/2016