Face and fingerprint re-enrollment notification

Bug: 258901849
Test: Manual: adb shell settings put secure face_unlock_re_enroll 1, then unlock through keyguard, the notification should occur in 5 seconds of unlocking
Test: atest BiometricNotificationServiceTest
Test: atest BiometricNotificationDialogFactoryTest

Change-Id: Ia9af235b6eefafd8508a42338aef39baf4f5c7ee
Merged-In: Ia9af235b6eefafd8508a42338aef39baf4f5c7ee