RFR: 8339570: Add Tidy build support for JDK tests [v11]

[Magnus Ihse Bursie]

On Wed, 16 Oct 2024 13:02:52 GMT, Nizar Benalla <nbenalla at openjdk.org> wrote:

>> Can I get a review for this patch that adds the necessary changes for local support of the `tidy` library.
>> 
>> The dependency can be retrieved by running `make/devkit/createTidyBundle.sh` on Linux and MacOs systems.
>> 
>> This dependency is primarily going to be used to test the generated documentation.
>> 
>> This patch is meant to be integrated before #21272.
>> 
>> Note: we need to be a very specific revision of `tidy` and cannot use any of the available artifacts, as older versions do not recognize some HTML 5 elements. 
>> 
>> TIA
>
> Nizar Benalla has updated the pull request incrementally with one additional commit since the last revision:
> 
>   revert changes to RunTestsPrebuiltSpec.gmk

I guess that means I think this is fine. But please also wait for Erik's review.

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Marked as reviewed by ihse (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/21341#pullrequestreview-2372935872