RFR: 8331653: JFR: Improve logging for jdk/jfr/api/consumer/recordingstream;TestStop.java

[Erik Gahlin]

Could I have a review of a change that improves logging for a test that fails intermittently.

Testing: 300 x jdk/jfr/api/consumer/recordingstream;TestStop.java

Thanks
Erik

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Commit messages:
 - Add back blank line
 - Initial

Changes: https://git.openjdk.org/jdk/pull/19090/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=19090&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8331653
  Stats: 33 lines in 1 file changed: 20 ins; 0 del; 13 mod
  Patch: https://git.openjdk.org/jdk/pull/19090.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19090/head:pull/19090

PR: https://git.openjdk.org/jdk/pull/19090