GitLab

This reduces the repainting during hotseat animation.

Bug: 1049355

Change-Id: I36cbdb73f7417494b224c0d71f2efb1a6929c5b9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2088972Reviewed-by: Andrew Xu <andrewxu@chromium.org>
Commit-Queue: Mitsuru Oshima <oshima@chromium.org>
Cr-Commit-Position: refs/heads/master@{#748534}