AndroidDeployQtStep: Run in separate thread

Fixes the inconsistent state from
Task-number: QTCREATORBUG-10710

Change-Id: Ifabb1eef4b81e6d33244fd7af8becc453dd66669
Reviewed-by: Daniel Teske <daniel.teske@digia.com>

src/plugins/android/androiddeployqtstep.cpp

@@ -493,6 +493,11 @@ void AndroidDeployQtStep::setInputFile(const QString &file)
     m_inputFile = file;
 }
 
+bool AndroidDeployQtStep::runInGuiThread() const
+{
+    return false;
+}
+
 bool AndroidDeployQtStep::verboseOutput() const
 {
     return m_verbose;