Manager cleanup (#20231)

* move manager in folder

* inital refactor

* call start

* small cleanup

* add comments

* use self.signal()

* order shouldnt matter

* newlines

* add helpers

* newlines

* add process config

* split out build part of manager

* this should fix most tests

* no sensord on pc

* dont start athena

* remove comment

* fix old athena test

* fix inject model

* fix test car models

* should be not none

* fix helpers exitcode

* ignore manage_athenad

* Use time.monotonic()

Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com>

* combine init, remove spinner

* move manager test

Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com>

selfdrive/debug/cpu_usage_stat.py

@@ -24,7 +24,7 @@ import argparse
 import re
 from collections import defaultdict
 
-import selfdrive.manager as manager
+from selfdrive.manager.process_config import managed_processes
 
 # Do statistics every 5 seconds
 PRINT_INTERVAL = 5
@@ -36,7 +36,7 @@ monitored_proc_names = [
 
   # android procs
   'SurfaceFlinger', 'sensors.qcom'
-] + manager.car_started_processes + manager.persistent_processes
+] + list(managed_processes.keys())
 
 cpu_time_names = ['user', 'system', 'children_user', 'children_system']