use context.Background instead of context.TODO
use context.Background instead of context.TODO

PiperOrigin-RevId: 297370524
Change-Id: I3f5440197d9734c231f61cbe7350bb5330238655

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