GitLab

This CL:
- Changes font size.
- Changes icon size.
- Fixes spacing between icons.

Also updated suggestion chip font size per the spec.

See bug for screenshots.

Bug: b:112313532
Change-Id: I40942e15d17e951a66d334164e5a999169a162ce
Reviewed-on: https://chromium-review.googlesource.com/1172146
Commit-Queue: David Black <dmblack@google.com>
Reviewed-by: Xiaohui Chen <xiaohuic@chromium.org>
Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#582809}