RFR: 8343396: Use OperatingSystem, Architecture, and OSVersion in jpackage tests

[Alexey Semenyuk]

Use internal jdk API instead of parsing JVM properties where appropriate in jpackage tests

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Commit messages:
 - 8343396: Use OperatingSystem, Architecture, and OSVersion in jpackage tests

Changes: https://git.openjdk.org/jdk/pull/21940/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21940&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8343396
  Stats: 8 lines in 2 files changed: 2 ins; 2 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/21940.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21940/head:pull/21940

PR: https://git.openjdk.org/jdk/pull/21940