[jdk8u-dev] RFR: 8274597: Some of the dnd tests time out and fail intermittently [v2]

[Taizo Kurashige]

> Hi,
> 
> This is a backport of JDK-8274597: Some of the dnd tests time out and fail intermittently
> 
> Original patch applies cleanly except for path changes. This PR depends on #652 . So #652 shoud be integrated first.
> 
> Testing: AcceptDropMultipleTimes.java, MissedDragExitTest.java, ExtraDragEnterTest.java and MissingDragExitEventTest.java pass on Windows11
> 
> Thanks.

Taizo Kurashige has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase.

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Changes:
  - all: https://git.openjdk.org/jdk8u-dev/pull/653/files
  - new: https://git.openjdk.org/jdk8u-dev/pull/653/files/d7d08ab5..d7d08ab5

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=653&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=653&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/653.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev.git pull/653/head:pull/653

PR: https://git.openjdk.org/jdk8u-dev/pull/653