- Future CL's will remove the app from the app drawer and launch
  the SWA from the printer settings page.
- Currently using a temporary icon, will replace once UI mocks
  are available.
- SWA is hidden behind a flag.

Bug: 1053704
Change-Id: I576f119df3ceea52fac54da8e1ed035fdc2d3a3c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2078783
Commit-Queue: jimmy gong <jimmyxgong@chromium.org>
Reviewed-by: James Cook <jamescook@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Reviewed-by: Zentaro Kavanagh <zentaro@chromium.org>
Reviewed-by: Giovanni Ortuño Urquidi <ortuno@chromium.org>
Cr-Commit-Position: refs/heads/master@{#748392}