hg: jdk/sandbox: More cleanup and tests

[alan.bateman at oracle.com]

Changeset: 30695f27d7ea
Author:    alanb
Date:      2019-02-22 17:03 +0000
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/30695f27d7ea

More cleanup and tests

! src/java.base/share/classes/sun/nio/ch/NioSocketImpl.java
! test/jdk/java/net/Socket/ConnectionReset.java
+ test/jdk/java/net/Socket/Timeouts.java