[jdk21u-dev] RFR: 8325203: System.exit(0) kills the launched 3rd party application

[Goetz Lindenmaier]

I backport this for parity with 21.0.4-oracle.

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Commit messages:
 - Backport 6944537c3ebbbb638479e4c2b90a71ad5869023c

Changes: https://git.openjdk.org/jdk21u-dev/pull/459/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=459&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8325203
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/459.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/459/head:pull/459

PR: https://git.openjdk.org/jdk21u-dev/pull/459