RFR: CODETOOLS-7903176: Move LJV inside JOL [v5]

[John Hamer]

On Mon, 26 Sep 2022 15:50:13 GMT, Ivan Ponomarev <duke 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).
>
> Ivan Ponomarev has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Merge pull request #7 from atp-mipt/jchekProblems
>    
>    jcheck Whitespace error fix
>  - jcheck Whitespace error fix

Marked as reviewed by JohnHamer-Glasgow at github.com (no known OpenJDK username).

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