[jdk21u-dev] RFR: 8319338: tools/jpackage/share/RuntimeImageTest.java fails with -XX:+UseZGC

[Andrew Lu]

I backport this for parity with 21.0.3-oracle.

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Commit messages:
 - Backport e9eb8b98f4dd949c8a0f501189471e11b837d936

Changes: https://git.openjdk.org/jdk21u-dev/pull/591/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=591&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8319338
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/591.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/591/head:pull/591

PR: https://git.openjdk.org/jdk21u-dev/pull/591