Shenandoah: ShenandoahConcurrentRootScanner::oops_do() should always use _claim_strong for CLDClosure

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    • gc

      _claim_none should only be used for single thread scanning, regardless concurrent or not.

       ShenandoahConcurrentRootScanner declares ShenandoahClassLoaderDataRoots multi-thread capable, so should always use _claim_strong for scanning CLDG.

      This is not a correctness bug. _claim_none results CLDG to be scanned by every worker.

            Assignee:
            Zhengyu Gu
            Reporter:
            Zhengyu Gu
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              Created:
              Updated:
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