Maxim, that uses a reflection. And as you've stated correctly that is closed in r2. Stay on older release is not an option for developers - after all we're writing for average user to be able to use our apps.
I think we need to look at sources of the cupcake to see if google will provide give an Api to turn it on and off.
надеюсь русский текст в exceptions не стандартная практика ( should be in strings anyway) иначе народ сильно удивится