[jdk17u-dev] RFR: 8327071: [Testbug] g-tests for cgroup leave files in /tmp on linux

[Arno Zeller]

I want to backport this fix to jdk17 because the change [JDK-8298730](https://bugs.openjdk.org/browse/JDK-8298730) that caused the issue was also backported to JDK17.

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### Progress
- [ ] [JDK-8327071](https://bugs.openjdk.org/browse/JDK-8327071) needs maintainer approval
- [x] Change must not contain extraneous whitespace
- [x] Commit message must refer to an issue



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Commit messages:
 - Backport e889b460c03b3887ec5477fa734c430d3c3a41c8

Changes: https://git.openjdk.org/jdk17u-dev/pull/4135/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=4135&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8327071
  Stats: 10 lines in 1 file changed: 9 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/4135.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/4135/head:pull/4135

PR: https://git.openjdk.org/jdk17u-dev/pull/4135