[jdk11u-dev] RFR: 8223736: jvmti/scenarios/contention/TC04/tc04t001/TestDescription.java fails due to wrong number of MonitorContendedEntered events

[Goetz Lindenmaier]

I backport this for parity with 11.0.19-oracle.

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Commit messages:
 - Backport fc6b87472cdad4a5d73ced2700ea799babcb48c3

Changes: https://git.openjdk.org/jdk11u-dev/pull/1729/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1729&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8223736
  Stats: 33 lines in 2 files changed: 25 ins; 0 del; 8 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1729.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1729/head:pull/1729

PR: https://git.openjdk.org/jdk11u-dev/pull/1729