gfe-relnote: Enable initial obfuscators in QUIC_VERSION_99. Protected by quic_enable_version_99

PiperOrigin-RevId: 270834093
Change-Id: Ieee9980f6facc222ee700961a4a36791cf28ab39
diff --git a/quic/core/quic_versions.cc b/quic/core/quic_versions.cc
index 64cfcca..223780b 100644
--- a/quic/core/quic_versions.cc
+++ b/quic/core/quic_versions.cc
@@ -55,7 +55,8 @@
 }
 
 bool ParsedQuicVersion::UsesInitialObfuscators() const {
-  return handshake_protocol == PROTOCOL_TLS1_3;
+  return transport_version == QUIC_VERSION_99 ||
+         handshake_protocol == PROTOCOL_TLS1_3;
 }
 
 bool ParsedQuicVersion::AllowsLowFlowControlLimits() const {