hg: jdk/sandbox: 2 new changesets

[michael.x.mcmahon at oracle.com]

Changeset: 8a34a8498a56
Author:    michaelm
Date:      2020-06-18 12:11 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/8a34a8498a56

sendchannels-branch: doc update, impl to follow

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

Changeset: 5a97cf85495a
Author:    michaelm
Date:      2020-06-18 12:12 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/5a97cf85495a

Merge