Enable SENSITIVE_REVEAL_ANIM for teamfood

This enables the reveal animation for the sensitive notification content on the lockscreen when using face unlock.

Flag: SENSITIVE_REVEAL_ANIM
Bug: 243634602
Test: Two weeks with enabled flag on droidfood device
Change-Id: I52322029f109a3add02f8b0e6e9d2c0f649fd0da