Issue #2119481 by damiankloip, xjm: Inject EntityManager dependency into UuidResolver.

core/includes/entity.inc

core/lib/Drupal/Core/Entity/EntityManager.php

core/lib/Drupal/Core/Entity/EntityManagerInterface.php

core/modules/hal/src/Tests/NormalizerTestBase.php

core/modules/serialization/serialization.services.yml

...rialization/src/EntityResolver/UuidReferenceInterface.php

...modules/serialization/src/EntityResolver/UuidResolver.php

...rialization/tests/src/EntityResolver/UuidResolverTest.php