RFR: 8294985: SSLEngine throws IAE during parsing of X500Principal [v15]

[Bradford Wetmore]

On Fri, 19 May 2023 17:49:07 GMT, Kevin Driver <kdriver at openjdk.org> wrote:

>> Fixes: [JDK-8294985](https://bugs.openjdk.org/browse/JDK-8294985)
>
> Kevin Driver has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - fix bug id in test header
>  - reworked example into a jtreg test

Mostly nits here.  Take or leave...

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PR Review: https://git.openjdk.org/jdk/pull/13466#pullrequestreview-1435046400