Espresso:- IdlingResources must support Databinding

DataBinding uses different approach to schedule an update, it uses Choreographer.postFrameCallback. So updates are not posted into looper queue and Espresso will not wait for them.

See: https://stackoverflow.com/questions/40703567/how-do-i-make-espresso-wait-until-data-binding-has-updated-the-view-with-the-dat