/* List all uploads */
func listUploads(svc *devicefarm.DeviceFarm, projectArn string) {
listReq := &devicefarm.ListUploadsInput{
Arn: aws.String(projectArn),
}
resp, err := svc.ListUploads(listReq)
failOnErr(err, "error listing uploads")
fmt.Println(awsutil.Prettify(resp))
}