RFR: 8262236: Configure Gradle checksum verification

Tue Feb 23 19:17:39 UTC 2021

On Tue, 23 Feb 2021 19:04:47 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

> My reading of it [here](https://github.com/marketplace/actions/gradle-wrapper-validation#add-to-an-existing-workflow) is that we would add this action as a step to our workflow script, which is in [.github/workflows/submit.yml](https://github.com/openjdk/jfx/blob/master/.github/workflows/submit.yml).

Thanks, Kevin. I'll look into it and follow up with a bug report and pull request. Maybe I'll even add a commit with a bogus Gradle Wrapper to the pull request for testing, which we can then remove.

> I think I'd rather wait until the next time this comes up.

That's fine by me.

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PR: https://git.openjdk.java.net/jfx/pull/411