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: 0d69567e

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

Change-Id: I0e2a8f53685b8fa24c302409ad5cf1b2384e4357