git: openjdk/jdk17u-dev: 8334320: Replace vmTestbase/metaspace/share/TriggerUnloadingWithWhiteBox.java with ClassUnloadCommon from testlibrary

[Goetz Lindenmaier]

Changeset: 8636073b
Branch: master
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2025-07-09 05:30:08 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/8636073b137980230b00b8a4a2c9a0afde40204a

8334320: Replace vmTestbase/metaspace/share/TriggerUnloadingWithWhiteBox.java with ClassUnloadCommon from testlibrary

Backport-of: 9b49597244f898400222cfc252f50a2401ca3e2f

+ test/hotspot/jtreg/vmTestbase/metaspace/share/TriggerUnloadingWithFullGC.java
- test/hotspot/jtreg/vmTestbase/metaspace/share/TriggerUnloadingWithWhiteBox.java
! test/hotspot/jtreg/vmTestbase/metaspace/staticReferences/StaticReferences.java
! test/hotspot/jtreg/vmTestbase/metaspace/stressHierarchy/common/StressHierarchyBaseClass.java