GitLab

The status area collapse/expand animation is currently unspec'd, so skip the
animation for now.

TEST=manually verified with --force-status-area-collapsible flag
BUG=982511

Change-Id: Idaa95fd9a2393d668ad7d154663fc1e876c184d6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1903937Reviewed-by: Tetsui Ohkubo <tetsui@chromium.org>
Commit-Queue: Tim Song <tengs@chromium.org>
Cr-Commit-Position: refs/heads/master@{#714696}