RFR: 8349534: Refactor jdk/sun/security/krb5/runNameEquals.sh to java test [v5]

[Mikhail Yankelevich]

> Refactored the runNameEquals.sh to java test

Mikhail Yankelevich 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 six additional commits since the last revision:

 - checking if native GSS now only haoppens with sun.security.jgss.native = true. Improt fix
 - Merge branch 'master' into JDK-8349534
 - minor
 - reworked
 - minor cleanup
 - 8349534: Refactor jdk/sun/security/krb5/runNameEquals.sh to java test

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/23542/files
  - new: https://git.openjdk.org/jdk/pull/23542/files/70bb9737..f3e3c55e

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=23542&range=04
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=23542&range=03-04

  Stats: 221556 lines in 5040 files changed: 100241 ins; 92133 del; 29182 mod
  Patch: https://git.openjdk.org/jdk/pull/23542.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23542/head:pull/23542

PR: https://git.openjdk.org/jdk/pull/23542