TBR: Reintroducing "Just now"

TODO(rosswang): We will want to revisit our capitalization
scheme. e.g. "Last Updated: 4 days ago". I did try "Last Updated: just
now" but that looks weird.

Change-Id: I47e9dca6a8e7fb6ad491c0cbe8401a4a9b4a5e5d
4 files changed