lib/android: mnit_simple tests refactoring

Signed-off-by: Frédéric Vachon <fredvac@gmail.com>
lib/android: Changed entry to execute complete_simple_android by default

Signed-off-by: Frédéric Vachon <fredvac@gmail.com>
lib/android: Added complete_simple_android.res to sav

Signed-off-by: Frédéric Vachon <fredvac@gmail.com>