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Currently always hidden, but a follow up CL will hide/show this view
appropriately based on the user's opt in state.

Another follow up CL will also implement click handling to launch setup.

See bug for screenshot.

Bug: b:112236931
Change-Id: I6db726e8947e9b97772f06bda7e4c55678ab3859
Reviewed-on: https://chromium-review.googlesource.com/1163283
Commit-Queue: David Black <dmblack@google.com>
Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Reviewed-by: Xiaohui Chen <xiaohuic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#581075}