[jdk21u-dev] RFR: 8372441: JFR: Improve logging of TestBackToBackSensitive [v2]

[Goetz Lindenmaier]

> I backport this for parity with 21.0.11-oracle.

Goetz Lindenmaier has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains one commit:

  backport b98114f4a20bcf3390114b56d05c38b23268979a

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Changes: https://git.openjdk.org/jdk21u-dev/pull/2567/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2567&range=01
  Stats: 27 lines in 3 files changed: 16 ins; 5 del; 6 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2567.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2567/head:pull/2567

PR: https://git.openjdk.org/jdk21u-dev/pull/2567