Add animation event info for IE and Edge (#5123)
Add animation event info for IE and Edge (#5123)

This PR adds information for the animationend, animationstart, and animationiteration for those browsers. 
We can read the information here https://msdn.microsoft.com/en-us/sync/hh772072(v=vs.100)
mdn/browser-compat-data,chrisdavidmills/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data