RFR: 8349535: Refactor ./pkcs11/Provider/MultipleLogins.sh to java test

[Mikhail Yankelevich]

Moved the sh file logic to jtreg java test.

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Commit messages:
 - 8349535: Refactor ./pkcs11/Provider/MultipleLogins.sh to java test

Changes: https://git.openjdk.org/jdk/pull/23590/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=23590&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8349535
  Stats: 173 lines in 2 files changed: 34 ins; 139 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/23590.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23590/head:pull/23590

PR: https://git.openjdk.org/jdk/pull/23590