GitLab

Also add a data dep that's necessary (but apparently not sufficient) for
cast_shell_browsertests to run on swarming.

Bug: 861753, 861843
Change-Id: Ib10a8589c1349ac70dc4d4358395af6b2867d16b
Reviewed-on: https://chromium-review.googlesource.com/1133201Reviewed-by: Luke Halliwell <halliwell@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#574156}