Fix pulse wake-up transition

ScrimController was transitioning to the wrong state because
fingerprint would take the device to a dozing but not pulsing
state before unlocking. And since I was already touching this
area, I used the oportunity to remove ScrimController references
from DozeScrimController.

Change-Id: Iaa1274eedc9cfb808a71b49a9184de39009e981c
Fixes: 115305153
Test: Manually unlock with fp while pulsing
Test: Unlock with fp
Test: Unlock with bouncer
Test: Wait for pulse to go away
Test: atest DozeScrimControllerTest