hg: jdk/sandbox: Merge

[patrick.concannon at oracle.com]

Changeset: abb454f9bb81
Author:    pconcannon
Date:      2020-08-15 18:21 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/abb454f9bb81

Merge

! src/java.base/share/classes/sun/nio/ch/SocketChannelImpl.java
- test/hotspot/jtreg/runtime/8026394/InterfaceObjectTest.java
- test/jdk/java/io/File/GetXSpace.sh