typescript: run autoformatter (#4316)
typescript: run autoformatter (#4316)

This will let subsequent changes also run autoformatter, without causing
random churn on these lines.
kythe/kythe,kythe/kythe,kythe/kythe,kythe/kythe,kythe/kythe,kythe/kythe,kythe/kythe,kythe/kythe,kythe/kythe,kythe/kythe,kythe/kythe