RFR: JMC-8236: Add support for Jolokia discovery - hook in plugin

[Alex Macdonald]

On Thu, 5 Sep 2024 07:29:33 GMT, Martin Skarsaune <duke at openjdk.org> wrote:

> This got left out of #570 . All the test runs fine, but the mechansim was not properly plugged in :facepalm: 
> cc: @aptmac

Marked as reviewed by aptmac (Reviewer).

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PR Review: https://git.openjdk.org/jmc/pull/583#pullrequestreview-2282939076