[jdk11u-dev] RFR: 8307128: Open source some drag and drop tests 4

[Paul Hohensee]

On Thu, 27 Jul 2023 08:26:30 GMT, luchenlin <duke at openjdk.org> wrote:

> I backport this for parity with 11.0.21-oracle.
> test/jdk/java/awt/dnd/MouseExitGestureTriggerTest.java
> add backport for [JDK-8307799](https://bugs.openjdk.org/browse/JDK-8307799), Without this fix test will fail.
> other backport clean.

Clean backport from 17u.

-------------

Marked as reviewed by phh (Reviewer).

PR Review: https://git.openjdk.org/jdk11u-dev/pull/2060#pullrequestreview-1549822739