git: openjdk/jdk17u-dev: 8306718: Optimize and opensource some old AWT tests

[Goetz Lindenmaier]

Changeset: ed698e60
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2023-07-10 14:53:33 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/ed698e6061f2aaa8acb7bc56036e2d95a3005dc6

8306718: Optimize and opensource some old AWT tests

Backport-of: 9beae21864d18054ca3762ec989d51ff0660db84

+ test/jdk/java/awt/EventDispatchThread/StoppingEdtOnPushPopTest.java
+ test/jdk/java/awt/FileDialog/ExceptionAfterSetDirectory.java
+ test/jdk/java/awt/FlowLayout/MinimumLayoutSize.java
+ test/jdk/java/awt/FlowLayout/PreferredLayoutSize.java