Enable IETF retry support on all TLS versions

gfe-relnote: protected by disabled flag quic_supports_tls_handshake
PiperOrigin-RevId: 247130863
Change-Id: I91c95806107f1c1c41a7fed1266429f37b817d51

quic/core/quic_versions.cc

diff --git a/quic/core/quic_versions.cc b/quic/core/quic_versions.cc
index 99f90fe..c8c55e4 100644
--- a/quic/core/quic_versions.cc
+++ b/quic/core/quic_versions.cc
@@ -61,7 +61,8 @@
 }
 
 bool ParsedQuicVersion::SupportsRetry() const {
-  return transport_version == QUIC_VERSION_99;
+  return transport_version == QUIC_VERSION_99 ||
+         handshake_protocol == PROTOCOL_TLS1_3;
 }
 
 std::ostream& operator<<(std::ostream& os, const ParsedQuicVersion& version) {