RFR: 8294985: SSLEngine throws IAE during parsing of X500Principal [v19]

[Kevin Driver]

> Fixes: [JDK-8294985](https://bugs.openjdk.org/browse/JDK-8294985)

Kevin Driver has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains 17 additional commits since the last revision:

 - Merge remote-tracking branch 'upstream/master' into JDK-8294985
 - additional code review comments
 - rename class and remove bug id from test header
 - removing block that isn't reached
 - fix bug id in test header
 - reworked example into a jtreg test
 - whitespace adjustments
 - all review comments applied
 - optimize imports and change toString
 - review comments addressed
 - ... and 7 more: https://git.openjdk.org/jdk/compare/bdf0d8ad...d9f0c667

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/13466/files
  - new: https://git.openjdk.org/jdk/pull/13466/files/10c18fa1..d9f0c667

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=13466&range=18
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=13466&range=17-18

  Stats: 21455 lines in 699 files changed: 12606 ins; 6112 del; 2737 mod
  Patch: https://git.openjdk.org/jdk/pull/13466.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13466/head:pull/13466

PR: https://git.openjdk.org/jdk/pull/13466