hg: jdk/sandbox: Merge

[michael.x.mcmahon at oracle.com]

Changeset: cd948d03f08b
Author:    michaelm
Date:      2020-05-06 17:49 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/cd948d03f08b

Merge

! src/java.base/share/classes/java/nio/channels/spi/SelectorProvider.java
- test/jdk/java/nio/channels/OpenConnect.java
- test/jdk/java/nio/channels/ProtocolFamilies.java
+ test/jdk/java/nio/channels/etc/ProtocolFamilies.java