[jdk21u-dev] RFR: 8325137: com/sun/management/ThreadMXBean/ThreadCpuTimeArray.java can fail in Xcomp with out of expected range

[Amos Shi]

Backport of [JDK-8325137](https://bugs.openjdk.org/browse/JDK-8325137)

Testing
- Local: Test passed
  - `ThreadCpuTimeArray.java` - Test results: passed: 1
- Pipeline: 
- Testing Machine:

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Commit messages:
 - Backport 91d8dac9cff5689abcf2fc8950b15d284f933afd

Changes: https://git.openjdk.org/jdk21u-dev/pull/303/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=303&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8325137
  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/303.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/303/head:pull/303

PR: https://git.openjdk.org/jdk21u-dev/pull/303