[skotty] Pre-initialize animated props

Force an initial tick on animation initialization.

This prevents inconsistent state flashing if the client starts rendering
before the first tick.

TBR=
Change-Id: Iaec3146b4085c980e6501d6a65dd8f2421a2895f
Reviewed-on: https://skia-review.googlesource.com/92740
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
1 file changed