RFR: 8252661: Change SafepointMechanism terminology to talk less about "blocking"

[Robbin Ehn]

On Mon, 7 Sep 2020 12:33:37 GMT, Erik Österlund <eosterlund at openjdk.org> wrote:

> Migrating this review from the mailing list into a pull request. So far, the favourite terminology is to talk about
> "process", but without "operation".

I think we can do better than "process".
I can't think anything now, so ship it.

Thanks

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Marked as reviewed by rehn (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/54