Add light reveal for auth from aod

take #1 without any surface effects yet

Vid: https://drive.google.com/file/d/1QjPYUVcrKhroic4yE4rH7bJoUOLMa4TX/view?usp=sharing
Bug: 175717712
Test: manual
Change-Id: I4d1fc700fcf5d060a18b6c623b2b21d9b1298b4b