android (service): set autorestart: with this option, the backend will automatically restart as soon as terminated. This is notably important at the moment to work around a P4A bug which result in a backend killed when frontend is closed (cf. https://github.com/kivy/python-for-android/issues/2053)

-e git+https://github.com/kivy/kivy.git#egg=kivy
-e hg+https://repos.goffi.org/sat#egg=sat
-e .