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.h

@@ -107,6 +107,8 @@ public:
     QString inputFile() const;
     void setInputFile(const QString &file);
 
+    bool runInGuiThread() const;
+
 signals:
     // also on purpose emitted if the possible values of this changed
     void inputFileChanged();