Android: Remove AndroidRunnable::amStartExtraArgs

It was only set up in AndroidRunner from the run configuration
and passed to AndroidRunnerWorker, instead get in in the
AndroidRunnerWorker from the run configuration directly.

Change-Id: I52fc793f07ca766a80a1b06f216f850da0b563ed
Reviewed-by: Vikas Pachdha <vikas.pachdha@qt.io>

src/plugins/android/androidrunnerworker.h

@@ -92,6 +92,7 @@ protected:
     AndroidRunnable m_androidRunnable;
     QString m_intentName;
     QString m_adb;
+    QStringList m_amStartExtraArgs;
     qint64 m_processPID = -1;
     std::unique_ptr<QProcess, Deleter> m_adbLogcatProcess;
     std::unique_ptr<QProcess, Deleter> m_psIsAlive;