git: openjdk/jdk17u-dev: 8307128: Open source some drag and drop tests 4

[Paul Hohensee]

Changeset: c581886c
Author:    Victor Rudometov <vrudomet at openjdk.org>
Committer: Paul Hohensee <phh at openjdk.org>
Date:      2023-05-25 18:53:11 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/c581886c15f0f4352e37a042959cd78eb080d6e4

8307128: Open source some drag and drop tests 4
8307799: Newly added java/awt/dnd/MozillaDnDTest.java has invalid jtreg `@requires` clause

Reviewed-by: phh
Backport-of: 98294242a94c611e2a713c2d520e59dd873ae4a0

+ test/jdk/java/awt/dnd/MouseExitGestureTriggerTest.java
+ test/jdk/java/awt/dnd/MozillaDnDTest.java
+ test/jdk/java/awt/dnd/MultiDataFlavorDropTest.java
+ test/jdk/java/awt/dnd/NativeDragJavaDropTest.java
+ test/jdk/java/awt/dnd/NestedHeavyweightDropTargetTest.java