AfterStartupTaskUtils[1] uses randomized delays in order to avoid the thundering herd problem of tasks running during startup. Let's figure out if we could improve this with the SequenceManager and/or TaskScheduler.

[1] https://cs.chromium.org/chromium/src/chrome/browser/after_startup_task_utils.cc?rcl=61f29c23936f92aaac874e4dea2d247b71497f15&l=77