[WATCHLISTS] Create new wallpaper watchlist

Bug: none
Change-Id: Ibde1be5aa8ad7ec8038f4a0fb7826bd9824dd835
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1627668
Reviewed-by: James Hawkins <jhawkins@chromium.org>
Commit-Queue: James Hawkins <jhawkins@chromium.org>
Cr-Commit-Position: refs/heads/master@{#663110}
1 file changed