hg: jdk/sandbox: unixdomainchannels: doc update

[michael.x.mcmahon at oracle.com]

Changeset: 13b1b7c0c0bc
Author:    michaelm
Date:      2020-05-01 19:30 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/13b1b7c0c0bc

unixdomainchannels: doc update

! src/jdk.net/share/classes/jdk/net/ExtendedSocketOptions.java
! src/jdk.net/share/classes/jdk/net/UnixDomainPrincipal.java