RFR: 7903300: Add test library support to jtreg plugin

[Guoxiong Li]

On Thu, 15 Sep 2022 15:51:57 GMT, Maurizio Cimadamore <mcimadamore at openjdk.org> wrote:

> Also, when updating the plugin, it is better to update the `gradle.properties` file to bump the version, and to include some notes (e.g. bug number and synopsis). This will allow upgrade to occur smoothly (and issues to be pinpointed correctly).

I bumped the version and revised the notes.

I think the plugin should be released periodically (may be several months). But now it seems you want to release a new version one patch. I don't know the current release flow so I follow your command.

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PR: https://git.openjdk.org/jtreg/pull/117