QNetworkManagerNetworkInformationPlugin: includemocs

Including moc files directly into their classes' TU tends to improve
codegen and enables extended compiler warnings, e.g. about unused
private functions or fields.

Pick-to: 6.3 6.2
Task-number: QTBUG-102886
Change-Id: I625ac4cd59bee6a0a21d6a09c1fc72f726c3c41f
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>

src/plugins/networkinformation/networkmanager/qnetworkmanagerservice.cpp

@@ -223,3 +223,5 @@ void QNetworkManagerInterface::setProperties(const QString &interfaceName,
 }
 
 QT_END_NAMESPACE
+
+#include "moc_qnetworkmanagerservice.cpp"