hg: jdk/sandbox: JDK-8238770-branch: Incorporate DatagramChannel into existing test

[julia.boes at oracle.com]

Changeset: 798e23043b60
Author:    jboes
Date:      2020-02-17 09:56 +0000
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/798e23043b60

JDK-8238770-branch: Incorporate DatagramChannel into existing test

- test/jdk/java/nio/channels/DatagramChannel/Families.java
! test/jdk/java/nio/channels/ProtocolFamilies.java