Wakelock Summary - Sleeplock

- allow wakelock to be acquired while screen is on (ignored until device
  sleeps)
- adjust wakelock summary according to sleeplock
- wake power groups dependent on sleeplock being held
- tests for above

Bug: 428143215
Flag: com.android.server.power.feature.flags.partial_sleep_wakelocks
Test: atest PowerServiceTests

Change-Id: I5172e733711dfc54204eadc81cc9f569d83de901