git: openjdk/jdk: 8284866: Add test to JDK-8273056

[Jim Laskey]

Changeset: 3ffec3a5
Author:    Raffaello Giulietti <raffaello.giulietti at oracle.com>
Committer: Jim Laskey <jlaskey at openjdk.org>
Date:      2022-04-14 15:36:20 +0000
URL:       https://git.openjdk.java.net/jdk/commit/3ffec3a50b70051eba3fc7cd816e49811870f5d4

8284866: Add test to JDK-8273056

Reviewed-by: jlaskey

+ test/jdk/java/util/Random/RandomExponentialTest.java