VT: Use animation-play-state: paused instead of a 1s animation.
To make sure we don't have flakiness, don't rely on timing for the
test to run
Bug: 355338211
Change-Id: Ic9e2d6c50ff69cc94c36caf2eded88c236c71205
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5746066
Reviewed-by: Khushal Sagar khushalsagar@chromium.org
Commit-Queue: Vladimir Levin vmpstr@chromium.org
Cr-Commit-Position: refs/heads/main@{#1334830}