RFR: 8258508: Merge G1RedirtyCardsQueue into qset

[Ivan Walulya]

On Sat, 30 Jan 2021 10:14:42 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

> Please review this change to G1RedirtyCardsLocalQueueSet to directly
> incorporate the associated queue, simplifying usage.
> 
> Testing:
> mach5 tier1

Looks good!

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Marked as reviewed by iwalulya (Committer).

PR: https://git.openjdk.java.net/jdk/pull/2325