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- Favicon size increased from 16dp to 24dp.
- Icon background size increased from 40dp to 48dp.

Bug: 855194
Cq-Include-Trybots: luci.chromium.try:closure_compilation
Change-Id: I8a9e9bede375da1b0ffa7050f97a1de1dd1162ac
Reviewed-on: https://chromium-review.googlesource.com/1132527
Commit-Queue: Kristi Park <kristipark@chromium.org>
Reviewed-by: Mathieu Perreault <mathp@chromium.org>
Cr-Commit-Position: refs/heads/master@{#574210}