GitLab

- Adds system_bundle_version field to CastAssistantLogsProto.
- Adds feature_triggered_in_session field to OmniboxEventProto.

Change-Id: I259d6ea5cacbbfe3a2da0ec18f9578d8417ef960
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2480883Reviewed-by: Mark Pearson <mpearson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#820443}