RFR: 8294985: SSLEngine throws IAE during parsing of X500Principal [v29]

[Kevin Driver]

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

Kevin Driver has updated the pull request incrementally with one additional commit since the last revision:

  uniformity in keystore paths

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Changes:
  - all: https://git.openjdk.org/jdk/pull/13466/files
  - new: https://git.openjdk.org/jdk/pull/13466/files/6f8021f7..e69abb3f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=13466&range=28
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=13466&range=27-28

  Stats: 2 lines in 2 files changed: 0 ins; 1 del; 1 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