DO NOT MERGE Fix jank when intent resolver/chooser windows animate in

An old optimization in ViewRoot prevents updating a window surface
while a window animation is playing. SystemUI and other small system
components that blend these animations disable this for a smoother
experience. Disable it in ResolverActivity as well.

Bug 24989381

Change-Id: Iac7d1c7b1101ed8d2bc4c3557277a773ce871beb