tree bccfbc8603276c71ff8126b95df4d5aaf5eea211
parent f0db6542273dee77a6b8177df121afce35519301
author renjietang <renjietang@google.com> 1569267617 -0700
committer Copybara-Service <copybara-worker@google.com> 1569339224 -0700

Use string literal for HTTP/3 setting identifiers.

gfe-relnote: protected by disabled v99 flag.
PiperOrigin-RevId: 270737244
Change-Id: I961d82227863f6c1422d19e43473eb52ceedb86b