GitLab

- self.offTheRecordBadge is the only fullscreen badge, it doesn't
have to be added to self.badges in BadgeMediator.
- animates the changing of the displayed badge in a spring/zoom in
motion.
- change color of unread indicator to blue instead of grey.

Bug: 1050781
Change-Id: I705baf6d65f04b08cb8e5b446cb7f8f0a580c537
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2045192
Commit-Queue: Chris Lu <thegreenfrog@chromium.org>
Reviewed-by: Sergio Collazos <sczs@chromium.org>
Cr-Commit-Position: refs/heads/master@{#742728}