Change the use of ScreenLifecycle to WakefulnessLifecycle.

This is a better fit for the signal in launcher, since it identifies
whether the device is awake or asleep, where asleep also inclues AoD

Test: manual, unit tests
Bug: 275319714

Change-Id: I6d6a6694ab018d182606c5554377caec1986bc08
2 files changed