Add falsing protection to the pulsing state

Prox-gate the tap and double tap to wake gestures
from pulsing/AoD2.

Enable FalsingCollector logs:
  adb shell setprop log.tag.FalsingCollector DEBUG

Test: manually trigger quickpickup (or receive a notification on AoD),
  cover the prox sensor, and then tap the screen - see device won't wake up
Test: atest NotificationShadeWindowViewControllerTest BrightLineFalsingManagerTest PulsingGestureListenerTest
Fixes: 242125976
Change-Id: I520df509b7804d765807477968257c94f55ef634