[jdk17u-dev] RFR: 8296084: javax/swing/JSpinner/4788637/bug4788637.java fails intermittently on a VM

[Goetz Lindenmaier]

I backport this for parity with 17.0.8-oracle.

Test was not in the problem list, so I could skip the patch.

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Commit messages:
 - Backport 319faa5afc37df5fd9ce4305e6e38a7bd4b39c65

Changes: https://git.openjdk.org/jdk17u-dev/pull/1326/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1326&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8296084
  Stats: 29 lines in 1 file changed: 22 ins; 0 del; 7 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1326.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1326/head:pull/1326

PR: https://git.openjdk.org/jdk17u-dev/pull/1326