RFR: 8316193: jdk/jfr/event/oldobject/TestListenerLeak.java java.lang.Exception: Could not find leak

[Erik Gahlin]

Could I have a review of a change that fixes intermittent failures in a test. 

Testing: 100 *  jdk/jfr/event/oldobject/TestListenerLeak.java j

Thanks
Erik

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Commit messages:
 - Initial

Changes: https://git.openjdk.org/jdk/pull/16940/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=16940&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8316193
  Stats: 12 lines in 1 file changed: 2 ins; 0 del; 10 mod
  Patch: https://git.openjdk.org/jdk/pull/16940.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16940/head:pull/16940

PR: https://git.openjdk.org/jdk/pull/16940