Add "features" field to CastEventProto

Bug: internal b/65643574
Change-Id: Ib513a90afb7299c2db3ccca9c8357cca078a5f29
Reviewed-on: https://chromium-review.googlesource.com/668079
Commit-Queue: Derek Chow <derekjchow@chromium.org>
Reviewed-by: Alexei Svitkine <asvitkine@chromium.org>
Cr-Commit-Position: refs/heads/master@{#502516}
1 file changed