[Flight] Compute better I/O description for exotic types#34650

eps1lon merged 1 commit intofacebook:mainfacebook/react:mainfrom

eps1lon:sebbie/09-29-_flight_fix_crash_when_computing_i/o_description_for_exotic_typeseps1lon/react:sebbie/09-29-_flight_fix_crash_when_computing_i/o_description_for_exotic_typesCopy head branch name to clipboard