Update example config to use the new policy format
Update example config to use the new policy format

PiperOrigin-RevId: 280100874
Change-Id: I954d9612941009e299d68f4b2c545c9913f242ba

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