[jdk25] RFR: 8359248: JFR: Help text for-XX:StartFlightRecording:report-on-exit should explain option can be repeated

[Erik Gahlin]

8359248: JFR: Help text for-XX:StartFlightRecording:report-on-exit should explain option can be repeated

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Commit messages:
 - Backport fedd0a0ee3aea9f73cfce34172a764e63c1ba46b

Changes: https://git.openjdk.org/jdk/pull/25885/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25885&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8359248
  Stats: 9 lines in 2 files changed: 3 ins; 0 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/25885.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25885/head:pull/25885

PR: https://git.openjdk.org/jdk/pull/25885