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This CL fixes two styling issues with the receive confirmation
dialog. 1) spacing between progress icon and dashed line
2) Fix outside margin for confirmation page contents.

Before Screenshot: https://screenshot.googleplex.com/4vDbAT4uWSdZsZJ.png
After Screenshot: https://screenshot.googleplex.com/rjHhgLqBRozaYKa.png

Fixed: 1156037
Change-Id: I034605dca9da7da016ad8da091e9c3c1ece16dfc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2593426Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Commit-Queue: Azeem Arshad <azeemarshad@chromium.org>
Cr-Commit-Position: refs/heads/master@{#837428}