hg: jdk/sandbox: unixdomainchannels: rearrange code from previous changeset to minimise chanes and add one refactored method

[michael.x.mcmahon at oracle.com]

Changeset: e7adec56142a
Author:    michaelm
Date:      2020-01-17 10:54 +0000
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/e7adec56142a

unixdomainchannels: rearrange code from previous changeset to minimise chanes and add one refactored method

! src/java.base/share/classes/sun/nio/ch/InetServerSocketChannelImpl.java
! src/java.base/share/classes/sun/nio/ch/ServerSocketChannelImpl.java
! src/java.base/share/classes/sun/nio/ch/SocketChannelImpl.java
! src/java.base/share/classes/sun/nio/ch/UnixDomainServerSocketChannelImpl.java