[jdk22u] RFR: 8272364: Parallel GC adaptive size policy may shrink the heap below MinHeapSize

[Zhengyu Gu]

Clean back port.

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Commit messages:
 - Backport 6bef0474c8b8773d0d20c0f25c36a2ce9cdbd7e8

Changes: https://git.openjdk.org/jdk22u/pull/214/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk22u&pr=214&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8272364
  Stats: 100 lines in 2 files changed: 100 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk22u/pull/214.diff
  Fetch: git fetch https://git.openjdk.org/jdk22u.git pull/214/head:pull/214

PR: https://git.openjdk.org/jdk22u/pull/214