GitLab

 * Move publisher line to the top
 * Increase leading
 * Increase sheet half height from 65% to 75% of screen height

BUG=896950

Change-Id: I2530151064545ac89ad38b859fffdee7285f8ae3
Reviewed-on: https://chromium-review.googlesource.com/c/1302332
Commit-Queue: Theresa <twellington@chromium.org>
Reviewed-by: Becky Zhou <huayinz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#603648}