hg: jdk/sandbox: 2 new changesets

[chris.hegarty at oracle.com]

Changeset: ad6dae603a79
Author:    chegar
Date:      2020-04-29 16:46 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/ad6dae603a79

JDK-8238770-branch: tighten java/nio/channels/ProtocolFamilies.java

! test/jdk/java/nio/channels/ProtocolFamilies.java

Changeset: 4a6ed14ffca8
Author:    chegar
Date:      2020-04-29 16:48 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/4a6ed14ffca8

JDK-8238770-branch: make DC.open consistent with other channel open methods

! src/java.base/share/classes/java/nio/channels/DatagramChannel.java