RFR: 8357470: src/java.base/share/classes/sun/security/util/Debug.java implement the test for args.toLowerCase [v2]

[Mikhail Yankelevich]

> * added an automated mixed case option
> * using multithreading now
> * added logs for simpler debug
> * added missing -Djava.security.auth.debug coverage

Mikhail Yankelevich has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains two commits:

 - Merge branch 'master' into JDK-8357470
 - JDK-8357470: src/java.base/share/classes/sun/security/util/Debug.java implement the test for args.toLowerCase
   
   * added an automated mixed case option
   * using multithreading now
   * added logs for simpler debug
   * added missing -Djava.security.auth.debug coverage

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Changes: https://git.openjdk.org/jdk/pull/25391/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25391&range=01
  Stats: 156 lines in 1 file changed: 131 ins; 5 del; 20 mod
  Patch: https://git.openjdk.org/jdk/pull/25391.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25391/head:pull/25391

PR: https://git.openjdk.org/jdk/pull/25391