hg: jdk/sandbox: unixdomainchannels: update to last fix

[michael.x.mcmahon at oracle.com]

Changeset: b845c27d34f9
Author:    michaelm
Date:      2020-09-04 16:55 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/b845c27d34f9

unixdomainchannels: update to last fix

! src/java.base/unix/classes/sun/nio/ch/InheritedChannel.java
! src/java.base/unix/native/libnio/ch/InheritedChannel.c
! test/jdk/java/nio/channels/spi/SelectorProvider/inheritedChannel/InheritedChannelTest.java