AutoTest: Allow arguments for test runs

Arguments specified for run configurations were
ignored so far, but sometimes it might help to process
them. Add the possibility and a respective setting
to be able to pass arguments to the test run.

Task-number: QTCREATORBUG-17630
Change-Id: Ie64b784e8477efa02f50ce6b4cf3e55864952880
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>

src/plugins/autotest/testconfiguration.h

@@ -82,9 +82,10 @@ public:
     QString runConfigDisplayName() const { return m_guessedConfiguration ? m_guessedFrom
                                                                          : m_displayName; }
 
+    ProjectExplorer::StandardRunnable runnable() const { return m_runnable; }
     virtual TestOutputReader *outputReader(const QFutureInterface<TestResultPtr> &fi,
                                            QProcess *app) const = 0;
-    virtual QStringList argumentsForTestRunner() const = 0;
+    virtual QStringList argumentsForTestRunner(QStringList *omitted = nullptr) const = 0;
 
 private:
     QStringList m_testCases;