GitLab

Stop manual layout of Ambient mode. Use layout manager to position
photo view and Ambient Assistant view.

BUG=b/163170162

Cq-Include-Trybots: luci.chrome.try:linux-chromeos-chrome
Change-Id: I91b52e6e84e6a844ed13fe1c50d1e9389454e8ab
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2611024Reviewed-by: Tao Wu <wutao@chromium.org>
Reviewed-by: Xiaohui Chen <xiaohuic@chromium.org>
Commit-Queue: Jeffrey Young <cowmoo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#842662}