RFR: 8225131: Test DragSourceMotionListenerTest.java fails on Windows

[Phil Race]

On Mon, 15 Sep 2025 06:24:15 GMT, Tejesh R <tr at openjdk.org> wrote:

> Test is failing frequently on mach5 machines. I have fixed it with stabilizations and moved the frame to center of the screen. After the fix several runs were made on mach5 and no failures were seen.

Marked as reviewed by prr (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/27283#pullrequestreview-3225582018