Revert of [Telemetry] Remove empty action_name_to_run for Startup, SessionRestore (patchset #1 id:1 of https://codereview.chromium.org/
796813003/)
Reason for revert:
crbug.com/446114
Original issue's description:
> [Telemetry] Remove empty action_name_to_run for Startup, SessionRestore
> measurements.
>
> BUG=418375
>
> Committed: https://crrev.com/
428ccd0af12a038069f330beb1f4fa7300f2bbd6
> Cr-Commit-Position: refs/heads/master@{#309845}
TBR=tonyg@chromium.org,ernstm@chromium.org,sullivan@chromium.org
BUG=418375, 446114
Review URL: https://codereview.chromium.org/
837483004
Cr-Commit-Position: refs/heads/master@{#309939}