[jdk21u-dev] RFR: 8340092: [Linux] containers/systemd/SystemdMemoryAwarenessTest.java failing on some systems

[Severin Gehwolf]

Clean backport based on #1938 which fixes a test issue observed in mainline when JDK-8333446 got integrated. Test-only change.

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Depends on: https://git.openjdk.org/jdk21u-dev/pull/1938

Commit messages:
 - Backport 64275e6bbf1377c9a9d77fe3c3ed8d4143138f11

Changes: https://git.openjdk.org/jdk21u-dev/pull/1941/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1941&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8340092
  Stats: 49 lines in 2 files changed: 30 ins; 4 del; 15 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1941.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1941/head:pull/1941

PR: https://git.openjdk.org/jdk21u-dev/pull/1941