code: @Implementation(minSdk = LOLLIPOP)
    protected boolean setPermittedAccessibilityServices(
        ComponentName admin, List<String> packageNames) {
      enforceDeviceOwnerOrProfileOwner(admin);
      permittedAccessibilityServices = packageNames;
      return true;
    }
docs: Sets permitted accessibility services.
  
  <p>The API can be called by either a profile or device owner.
  
  <p>This method does not check already enabled non-system accessibility services, so will always
  set the restriction and return true.