For Windows. Based on the code I wrote for QNetworkStatusMonitor.
It also renames the netlistmgr feature, avoiding the abbreviation.
Locally my MinGW fails the networklistmanager feature test so it may
not be supported on MinGW, likely leaving it without a backend at all.
Change-Id: I13bbe4127edc2a9c0bb91602c95f1cb206a85a69
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
