Don't update light reveal amt on doze change if biometric is wakeUnlocking

Test: manually auth with fingerprint from
AOD with udfps flag enabled and light reveal
migration flag disabled, don't see any flicker
Fixes: 329575586
Flag: ACONFIG com.android.systemui.device_entry_udfps_refactor TEAMFOOD

Change-Id: I930a7108bd897ceb53eafbe135e376db8ba07090