Drop Android-specific file dialog code
Qt 5.13 has support for Android file dialogs OOTB and the binary factory uses it. No need for Android specific code any more. Also move the dialog handling to QML because QFileDialog needs a QApplication
Qt 5.13 has support for Android file dialogs OOTB and the binary factory uses it. No need for Android specific code any more. Also move the dialog handling to QML because QFileDialog needs a QApplication