hg: jdk10/sandbox: 8180644: move jdk.testlibrary.NetworkConfiguration to the top level test library

[chris.hegarty at oracle.com]

Changeset: 190dbd51ed68
Author:    iignatyev
Date:      2017-05-19 13:33 -0700
URL:       http://hg.openjdk.java.net/jdk10/sandbox/rev/190dbd51ed68

8180644: move jdk.testlibrary.NetworkConfiguration to the top level test library
Reviewed-by: psandoz

+ test/lib/jdk/test/lib/NetworkConfiguration.java