Preserve ConcreteClientModeManager StateMachine logs after quitting

StateMachine logs are lost after quitting. Capture them and
print them during dump().

Bug: 160335531
Test: verify output of `adb shell dumpsys wifi` after toggling Wifi
      a few times.
Change-Id: I7502ac7019362900d400b1d50f849af783883300
1 file changed
tree: 1c8146eb28907d2293f73615afb65ef038917ad8
  1. apex/
  2. service/
  3. metrics_pdd_hook.py
  4. PREUPLOAD.cfg