Update animateScreenOff when AOD preferences change.

Some parts of the Doze/AOD code were out of sync after a settings change, which caused issues during the first unlock after a settings change.

Fixes: 179947580
Test: atest SystemUITests
Test: turn AOD off and then on, then lock the phone, receive a call, note that the incoming call screen appears instead of a blank screen
Change-Id: Ib998a99bc9ca0e810631ba4cba0c9bf6119aae72