Made the activity launch mode default to singleTask
Made the activity launch mode default to singleTask

kronenpj/python-for-android,germn/python-for-android,germn/python-for-android,kivy/python-for-android,rnixx/python-for-android,rnixx/python-for-android,PKRoma/python-for-android,rnixx/python-for-android,PKRoma/python-for-android,rnixx/python-for-android,germn/python-for-android,kivy/python-for-android,PKRoma/python-for-android,PKRoma/python-for-android,kronenpj/python-for-android,germn/python-for-android,germn/python-for-android,kronenpj/python-for-android,kivy/python-for-android,kronenpj/python-for-android,rnixx/python-for-android,PKRoma/python-for-android,germn/python-for-android,kivy/python-for-android,kronenpj/python-for-android,rnixx/python-for-android,kivy/python-for-android