Integrated: 8322242: [GenShen] TestAllocObjects#generational fails with "Unrecognized VM option 'ShenandoahSuspendibleWorkers'"

[William Kemper]

8322242: [GenShen] TestAllocObjects#generational fails with "Unrecognized VM option 'ShenandoahSuspendibleWorkers'"

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Commit messages:
 - Backport da2b9ed1520b6c152e019f7c333095b27c48d8cf

Changes: https://git.openjdk.org/shenandoah-jdk21u/pull/8/files
 Webrev: https://webrevs.openjdk.org/?repo=shenandoah-jdk21u&pr=8&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8322242
  Stats: 5 lines in 1 file changed: 0 ins; 5 del; 0 mod
  Patch: https://git.openjdk.org/shenandoah-jdk21u/pull/8.diff
  Fetch: git fetch https://git.openjdk.org/shenandoah-jdk21u.git pull/8/head:pull/8

PR: https://git.openjdk.org/shenandoah-jdk21u/pull/8