[jdk17u-dev] RFR: 8202790: DnD test DisposeFrameOnDragTest.java does not clean up

[Goetz Lindenmaier]

I backport this for parity with 17.0.10-oracle.

Resolved ProblemList, will mark as clean.

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Commit messages:
 - Backport 102a305f73d52d8e378de46c3c0b170db0f2c8af

Changes: https://git.openjdk.org/jdk17u-dev/pull/1776/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1776&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8202790
  Stats: 9 lines in 2 files changed: 7 ins; 1 del; 1 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1776.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1776/head:pull/1776

PR: https://git.openjdk.org/jdk17u-dev/pull/1776