hg: jdk/sandbox: 8234148: DatagramSocket.setOption/getOption/supportedOption should support multicast options

[chris.hegarty at oracle.com]

Changeset: 9cb141c7329f
Author:    pconcannon
Date:      2019-12-09 14:25 +0000
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/9cb141c7329f

8234148: DatagramSocket.setOption/getOption/supportedOption should support multicast options
Summary: Fix adds multicast socket options to DatagramSocket
Reviewed-by: alanb, dfuchs, vtewari

! src/java.base/share/classes/java/net/AbstractPlainDatagramSocketImpl.java
! src/java.base/windows/classes/java/net/DualStackPlainDatagramSocketImpl.java
+ test/jdk/java/net/DatagramSocket/SupportedOptionsCheck.java
! test/jdk/java/net/SocketOption/SupportedOptionsSet.java