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.h b/quic/test_tools/quic_test_utils.h
index 7a59f7d..62eeed9 100644
--- a/quic/test_tools/quic_test_utils.h
+++ b/quic/test_tools/quic_test_utils.h
@@ -684,7 +684,7 @@
   ~MockQuicCryptoStream() override;
 
   bool encryption_established() const override;
-  bool handshake_confirmed() const override;
+  bool one_rtt_keys_available() const override;
   const QuicCryptoNegotiatedParameters& crypto_negotiated_params()
       const override;
   CryptoMessageParser* crypto_message_parser() override;