RFR: 8316454: JFR break locale settings

[Erik Gahlin]

Could I have a review of PR that prevents locale settings from not working.

Testing: jdk/jdk/jfr/* + jdk/java/util/Local/ with -XX:FlightRecorderOptions=repository=jfrrep

Thanks
Erik

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Commit messages:
 - Update comment
 - Initial

Changes: https://git.openjdk.org/jdk/pull/17018/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17018&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8316454
  Stats: 15 lines in 1 file changed: 13 ins; 1 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/17018.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17018/head:pull/17018

PR: https://git.openjdk.org/jdk/pull/17018