git: openjdk/jdk: 8306681: Open source more AWT DnD related tests

[Damon Nguyen]

Changeset: 05af487a
Author:    Damon Nguyen <dnguyen at openjdk.org>
Date:      2023-04-28 19:20:16 +0000
URL:       https://git.openjdk.org/jdk/commit/05af487a2d9b85b87d13ea23776d04e52c67bf49

8306681: Open source more AWT DnD related tests

Reviewed-by: prr, serb

+ test/jdk/java/awt/dnd/ZeroFormatTransferableTest.java
+ test/jdk/java/awt/event/ComponentEvent/ComponentResizedTest.java
+ test/jdk/java/awt/event/ComponentEvent/ObjectSourceTest.java
+ test/jdk/java/awt/event/ComponentEvent/ResizeDeniedTest.java
+ test/jdk/java/awt/event/FocusEvent/OppositeSerialization/OppositeSerialization.java
+ test/jdk/java/awt/event/FocusEvent/OppositeSerialization/old.ser
+ test/jdk/java/awt/event/HierarchyEvent/HierarchyEventOnWindowTest.java