RFR: JDK-8328299 : Convert DnDFileGroupDescriptor.html applet test to main [v3]

[Prasanta Sadhukhan]

On Thu, 21 Mar 2024 00:12:45 GMT, Harshitha Onkar <honkar at openjdk.org> wrote:

>> Following test java/awt/dnd/DnDFileGroupDescriptor/DnDFileGroupDescriptor.html is converted to main using PassFailJFrame.
>> 
>> This test is currently problem-listed on macOS and linux, but as per the previous JBS bugs [[JDK-6242241](https://bugs.openjdk.org/browse/JDK-6242241), [JDK-8080185](https://bugs.openjdk.org/browse/JDK-8080185), [JDK-7147083](https://bugs.openjdk.org/browse/JDK-7147083)] this test was original created for testing DnD of MS Outlook attachments on Windows system.
>> 
>> Based on the test history and JBS details, I believe this should be windows-only test and should NOT be problemlisted on macOS and linux as it is **not applicable**.
>
> Harshitha Onkar has updated the pull request incrementally with one additional commit since the last revision:
> 
>   problemlist updated

Marked as reviewed by psadhukhan (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/18335#pullrequestreview-1950706724