Android: Fix QML debugging

Specify the qml server address and use correct default loop back
address in qmlengine

Change-Id: I9b77cb3385041bbe79900e7f7a188ca26124bacc
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

src/plugins/android/androiddebugsupport.cpp

@@ -133,6 +133,7 @@ void AndroidDebugSupport::start()
                                                      .appendPath(toNdkArch(AndroidManager::targetArch(target))).toString();
     }
     if (isQmlDebugging()) {
+        params.qmlServer.host = m_runner->qmlServerHost();
         params.qmlServer.port = m_runner->qmlServerPort();
         //TODO: Not sure if these are the right paths.
         QtSupport::BaseQtVersion *version = QtSupport::QtKitInformation::qtVersion(kit);