RFR: 8332857: Test vmTestbase/nsk/jvmti/GetThreadCpuTime/thrcputime002/TestDescription.java failed [v2]

[Serguei Spitsyn]

> The test lacks a synchronization, so it is added by this fix.
> 
> Testing:
>  - Ran the failing test `vmTestbase/nsk/jvmti/GetThreadCpuTime/thrcputime002`
>  - TBD: submit mach5 tiers 1-5

Serguei Spitsyn has updated the pull request incrementally with one additional commit since the last revision:

  review: add a clarifying comment to monitor declaration

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/23144/files
  - new: https://git.openjdk.org/jdk/pull/23144/files/ec07eda1..3c503c5b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=23144&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=23144&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/23144.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23144/head:pull/23144

PR: https://git.openjdk.org/jdk/pull/23144