test app for MvvmCross/MvvmCross#955 issue on latest mvvmcross 5.6
to reproduce crash you neeed to
- install app, reboot, wait till recieve notification in notification bar - this means service is running
- start app, if not crashed goto 3
- kill app(close app from tasks manager) and faster click on app icon to run - 80% it will crash
modify this row from 'void'here to 'async Task'sample and app will stop crashing