Android: Use packageName directly in AndroidRunnerWorker

That was the only remaining field of the AndroidRunnable, passing
the packageName as single string is sufficient.

Change-Id: I73333e58a0719df09d6905eb212007ce421f600e
Reviewed-by: BogDan Vatra <bogdan@kdab.com>

src/plugins/android/androidrunner.h

@@ -80,7 +80,7 @@ private:
     void checkAVD();
     void launchAVD();
 
-    AndroidRunnable m_androidRunnable;
+    QString m_packageName;
     QString m_launchedAVDName;
     QThread m_thread;
     QTimer m_checkAVDTimer;