<i18n dev> RFR: JDK-8319569: Several java/util tests should be updated to accept VM flags [v3]

[Justin Lu]

> Please review this PR which allows these _j.util_ tests to launch new JVM processes with VM flags,
> 
> This is primarily done using by switching to `ProcessTools::createTestJavaProcessBuilder`.

Justin Lu has updated the pull request incrementally with one additional commit since the last revision:

  Pass test.java.opts to PropertiesTest.sh

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Changes:
  - all: https://git.openjdk.org/jdk/pull/16705/files
  - new: https://git.openjdk.org/jdk/pull/16705/files/30c735d5..cb144025

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=16705&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=16705&range=01-02

  Stats: 6 lines in 1 file changed: 0 ins; 1 del; 5 mod
  Patch: https://git.openjdk.org/jdk/pull/16705.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16705/head:pull/16705

PR: https://git.openjdk.org/jdk/pull/16705