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Also removed the confirm reject screen upon UX's request.

Bug: b/78190629
Test: Manual Test
Change-Id: If2f97cb5e8302932fa96e0378ac3fd760d49feae
Reviewed-on: https://chromium-review.googlesource.com/1176588Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Reviewed-by: Xiaohui Chen <xiaohuic@chromium.org>
Commit-Queue: Yue Li <updowndota@chromium.org>
Cr-Commit-Position: refs/heads/master@{#583795}