GitLab

Add a last display time field that is
used for picking feeds that have not been
shown recently.

BUG=1053599

Change-Id: Ia6e9cf7c8023b04294d6c4cc88d22b8dd11a0af4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2145568Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Tommy Steimel <steimel@chromium.org>
Commit-Queue: Becca Hughes <beccahughes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#760193}