R1:508df60a6217

When users mark their own inline comments as "Done", suppress the timeline/mail stories

Summary:
Depends on D19858. Ref T13222. See PHI995. In D19635 and related revisions, inline behavior changed to allow you to pre-mark your own inlines as done (as a reviewer) and to pre-mark your inlines for you (as an author).

These actions generate low-value stories in the timeline, like "alice marked 3 comments done." when an author adds some notes to their own revision. These aren't helpful and can be a little…