gfe-relnote: In QUIC, rename handshake_confirmed in handshaker to one_rtt_keys_available to make it clearer and more informative. Renaming only, not protected.

Not rename it to handshake_complete, as in QUIC crypto server side, handshake complete is slightly different than one_rtt_keys_available.

PiperOrigin-RevId: 289682542
Change-Id: I87e1e4925f4916166afe2bac2a055a207de1025a
diff --git a/quic/test_tools/quic_test_utils.cc b/quic/test_tools/quic_test_utils.cc
index 2e01c66..033cdfa 100644
--- a/quic/test_tools/quic_test_utils.cc
+++ b/quic/test_tools/quic_test_utils.cc
@@ -596,7 +596,7 @@
   return false;
 }
 
-bool MockQuicCryptoStream::handshake_confirmed() const {
+bool MockQuicCryptoStream::one_rtt_keys_available() const {
   return false;
 }