[jdk17u-dev] RFR: 8277866: gc/epsilon/TestMemoryMXBeans.java failed with wrong initial heap size

[Aleksey Shipilev]

Clean backport to improve test reliability.

Additional testing
  - [x] Linux x86_64 fastdebug, `gc/epsilon`

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Commit messages:
 - Backport 37ff7f3b66eaa74d62d6a93f2f34ec744db21834

Changes: https://git.openjdk.org/jdk17u-dev/pull/892/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=892&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8277866
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/892.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev pull/892/head:pull/892

PR: https://git.openjdk.org/jdk17u-dev/pull/892