3950b7e5bd
spring into place from 40 dp offscreen:
expressive default spatial spring
damping: 0.8,
stiffness: 380
Bug: 399642211
Flag: com.android.window.flags.enable_multiple_desktops_frontend
Flag: com.android.window.flags.enable_multiple_desktops_backend
Test: create desktop and check animation
Change-Id: Ie15b4f58d394590ea24d72036a587111f1e6cf3b