RFR: 8370120: Make jpackage tests output more stable

[Alexey Semenyuk]

- Make jpackage tests output more stable.
 - Make jpackage output more stable.
 - Add more action to the script derandomizing jpackage test logs.

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

Commit messages:
 - Update "cleaning" shell scripts
 - Stable jpackage/test logs

Changes: https://git.openjdk.org/jdk/pull/27870/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=27870&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8370120
  Stats: 112 lines in 12 files changed: 63 ins; 14 del; 35 mod
  Patch: https://git.openjdk.org/jdk/pull/27870.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27870/head:pull/27870

PR: https://git.openjdk.org/jdk/pull/27870