GitLab

Create metric to track the scan job success rate of scans initiated from
the Scan app. This metric will not include canceled scans.

Bug: 1059779
Change-Id: I5487f643169fcffdfb7c50b074daed19bcd14d5e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2583211Reviewed-by: Robert Kaplow <rkaplow@chromium.org>
Reviewed-by: Jesse Schettler <jschettler@chromium.org>
Commit-Queue: Gavin Williams <gavinwill@chromium.org>
Cr-Commit-Position: refs/heads/master@{#836168}