R1:7ecbc707846f

Daemons - handle daemons that can't be killed a bit better

Summary:
Ref T2374. Fixes T5988.

Keep track of what's been killed and not been killed, and surface that maybe you need sudo if things don't get killed with --force

...also basically make this force thing work. I managed to convinced myself stuff was getting killed with --force when it mostly wasn't. Make sure the --force parameter gets pushed as low as it needs to go to have things get killed.

Test Plan:
- `sudo ./bin/phd restart`
- `rm -rf…