gfe-relnote: In QUIC, rename IsCryptoHandshakeConfirmed to OneRttKeysAvailable in QuicSession. Renaming only, not protected.

PiperOrigin-RevId: 289699593
Change-Id: I9bd673dec692662fc7e92b2b7ec74d926cdef3a8
diff --git a/quic/core/quic_session.cc b/quic/core/quic_session.cc
index 11a3268..41f8f76 100644
--- a/quic/core/quic_session.cc
+++ b/quic/core/quic_session.cc
@@ -985,7 +985,7 @@
   return GetCryptoStream()->encryption_established();
 }
 
-bool QuicSession::IsCryptoHandshakeConfirmed() const {
+bool QuicSession::OneRttKeysAvailable() const {
   if (GetCryptoStream() == nullptr) {
     return false;
   }