add protos for auditlog API
add protos for auditlog API

PiperOrigin-RevId: 301282126
Change-Id: Id6ce39f3673f4fbef03a681d1ed8bf2ed44d2753

GoogleCloudPlatform/healthcare-federated-access-services,GoogleCloudPlatform/healthcare-federated-access-services,GoogleCloudPlatform/healthcare-federated-access-services,GoogleCloudPlatform/healthcare-federated-access-services