make default app also use a single version
make default app also use a single version

PiperOrigin-RevId: 296889581
Change-Id: Ic16d5b6fd2a48a6bf14f023321e98f662d3f8304

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