[CS] Remove CentralSurfaces#extendDozePulse.

Have NotificationShadeWindowViewController notify DozeScrimController
directly instead.

Bug: 277764509
Test: tap on AOD -> verified via logging that shade window controller
notified doze scrim controller to extend pulse
Test: atest NotificationShadeWindowViewTest
NotificationShadeWindowViewControllerTest

Change-Id: I4c31bc953cb3af018a4569b5d0a7109d05bc6c7c