GitLab

Update the buttons visibility while initializing the desks bar,
regardless of the desk bar's state.

Bug: 1167362
Change-Id: I8f4578300ff4259bcba14a4f175c55ed062ccb03
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2635442Reviewed-by: Ahmed Fakhry <afakhry@chromium.org>
Commit-Queue: Min Chen <minch@chromium.org>
Cr-Commit-Position: refs/heads/master@{#845186}