RFR: CODETOOLS-7903176: Move LJV inside JOL

[Ivan Ponomarev]

On Tue, 3 May 2022 09:13:38 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> This moves https://github.com/atp-mipt/ljv project inside JOL in order for LJV to get access to internal JOL's APIs.
>> 
>> See blogposts about LJV [in Russian](https://habr.com/ru/post/599045/) /  [in English](https://dzone.com/articles/what-can-we-learn-from-java-data-structures-visual).
>
> Thanks for contribution!
> 
> Before continuing with code review, there are some high-level things involved in this. I see there are multiple contributors for the incoming changesets. I believe all of them should have signed OCA on file, or their changesets should not be present in this PR (I see some were adding "slides" that are not present in this PR). Right, @robilad? 
> 
> You can use `/contributor add @<github-id>` to mark them as contributors, I'd expect OpenJDK bots would then block the PR until OCAs are present.

Hi @shipilev ! 

It seems that we managed to sort out everything with the OCA 

The code is linted and IMO ready for review

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PR: https://git.openjdk.org/jol/pull/24