Use Utils::Port where possible

This solves the ambiguity between 0 and -1 being the "invalid" port.

Change-Id: I3bac11dd4117bb1820fbd58186699925b73df1c5
Reviewed-by: hjk <hjk@theqtcompany.com>

src/plugins/android/androidanalyzesupport.h

@@ -49,7 +49,7 @@ public:
 
 private:
     QmlDebug::QmlOutputParser m_outputParser;
-    int m_qmlPort;
+    Utils::Port m_qmlPort;
 };
 
 } // namespace Internal