Issue #1862752 by larowlan, fago: Implement entity access API for users.

core/includes/entity.inc

core/modules/openid/openid.module

core/modules/tracker/tracker.module

.../modules/user/lib/Drupal/user/Plugin/Core/Entity/User.php

...es/user/lib/Drupal/user/Plugin/views/field/LinkCancel.php

...ules/user/lib/Drupal/user/Plugin/views/field/LinkEdit.php

core/modules/user/lib/Drupal/user/UserAccessController.php

core/modules/user/user.module