Merge changes from topics "low-power-standby-api", "lps-wakelock-testapi"

* changes:
  Add API to configure LPS maintenance mode behavior
  Add TestApi to force Low Power Standby to be active
  Add TestApi wakelock flag to have system acquire wakelock
  Allowlist active voice interaction session from Low Power Standby
  Introduce Low Power Standby API and wakelock restrictions