Merge changes from topic "permission_hub_2" into rvc-qpr-dev

* changes:
  Also show non-running accesses which have recently ended
  Update assistant microphone user sensitive flags
  Add test for ReviewOngoingUsageFragment
  Add test for PermissionUsageFragment.
  Fix inprocess test helper apps.
  Small twists to usage debug UI
  Standardize on 'private permission_hub_2_enabled' as feature flag
  Re-enable PermissionUsage
  Resurrect the ReviewOngoingPermissionsFragment