[jdk11u-dev] RFR: 8227563: jvmti/scenarios/contention/TC05/tc05t001 fails due to "ERROR: tc05t001.cpp, 278: (waitedThreadCpuTime - waitThreadCpuTime) < (EXPECTED_ACCURACY * 1000000)"

[SendaoYan]

Clean backport to fix test test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/contention/TC05/tc05t001/TestDescription.java intermittent failure. This will also make later backport [JDK-8349192](https://bugs.openjdk.org/browse/JDK-8349192) cleanly.

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Commit messages:
 - Backport 8b42387ea6212027e7db25175feff078696a91ef

Changes: https://git.openjdk.org/jdk11u-dev/pull/3121/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=3121&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8227563
  Stats: 9 lines in 2 files changed: 4 ins; 0 del; 5 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/3121.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/3121/head:pull/3121

PR: https://git.openjdk.org/jdk11u-dev/pull/3121