[jdk17u-dev] RFR: 8297296: java/awt/Mouse/EnterExitEvents/DragWindowTest.java fails with "No MouseReleased event on label!"

[Amos]

- Backport of [JDK-8297296](https://bugs.openjdk.org/browse/JDK-8297296)
- Test succeeded in local dev box

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Commit messages:
 - Backport 0ed6d0b456e58e4122b97c3d12faabada0d8c530

Changes: https://git.openjdk.org/jdk17u-dev/pull/1878/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1878&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8297296
  Stats: 21 lines in 2 files changed: 14 ins; 1 del; 6 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1878.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1878/head:pull/1878

PR: https://git.openjdk.org/jdk17u-dev/pull/1878