GitLab

Extend histograms tracking long-term SoftwareReporter health to M90

Also take ownership of all SoftwareReporter.* histograms.
Always use current joenotcharles@google.com email address.

R=rkaplow@chromium.org

Bug: 969962
Change-Id: I61bb0cf0972191ba461df9f9a701f84ae0774bae
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1732890
Auto-Submit: Joe Mason <joenotcharles@google.com>
Reviewed-by: Robert Kaplow <rkaplow@chromium.org>
Commit-Queue: Joe Mason <joenotcharles@google.com>
Cr-Commit-Position: refs/heads/master@{#683758}