git: openjdk/jdk17u-dev: 8306076: Open source AWT misc tests

[Paul Hohensee]

Changeset: afffb374
Author:    Jenny Shivayogi <kspeeyu at amazon.com>
Committer: Paul Hohensee <phh at openjdk.org>
Date:      2023-07-10 16:35:28 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/afffb374a06eff139f9c527656bb0f148f105f7d

8306076: Open source AWT misc tests

Backport-of: f7d45b85a5c664a87c94e0baccd8b9eddce27e2c

+ test/jdk/java/awt/CacheTest.java
+ test/jdk/java/awt/Frame/RemoveNotifyTest.java
+ test/jdk/java/awt/Icon/NullIconImageTest.java