Merge "Don't start face auth when device is going to sleep" into sc-dev am:...

Merge "Don't start face auth when device is going to sleep" into sc-dev am: 7499feba am: b265a5de am: 5b91e0b7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15176331

Change-Id: I3a1fb7f8736722c3061456b37d9a1cd508d1a973