RFR(S) : 8180644: move jdk.testlibrary.NetworkConfiguration to the top level test library

[Paul Sandoz]

> On 19 May 2017, at 12:55, Igor Ignatyev <igor.ignatyev at oracle.com> wrote:
> 
> Hi Paul,
> 
> nice catches, I have corrected and rerun these two tests, here is the new webrev -- http://cr.openjdk.java.net/~iignatyev//8180644/webrev.01/index.html <http://cr.openjdk.java.net/~iignatyev//8180644/webrev.01/index.html>
+1

Paul.