Rename ENCRYPTION_REESTABLISHED to ENCRYPTION_ESTABLISHED as ENCRRYPTION_FIRST_ESTABLISHED has been removed.

gfe-relnote: no behavior change, not protected.
PiperOrigin-RevId: 264213918
Change-Id: I46800f9e4380d637a9728e5fba784b2d45bad87e
diff --git a/quic/core/quic_crypto_client_handshaker.cc b/quic/core/quic_crypto_client_handshaker.cc
index bf432ff..158285d 100644
--- a/quic/core/quic_crypto_client_handshaker.cc
+++ b/quic/core/quic_crypto_client_handshaker.cc
@@ -321,10 +321,8 @@
       std::move(crypto_negotiated_params_->initial_crypters.encrypter));
   session()->connection()->SetDefaultEncryptionLevel(ENCRYPTION_ZERO_RTT);
 
-  // TODO(ianswett): Merge ENCRYPTION_REESTABLISHED and
-  // ENCRYPTION_FIRST_ESTABLSIHED
   encryption_established_ = true;
-  session()->OnCryptoHandshakeEvent(QuicSession::ENCRYPTION_REESTABLISHED);
+  session()->OnCryptoHandshakeEvent(QuicSession::ENCRYPTION_ESTABLISHED);
 }
 
 void QuicCryptoClientHandshaker::DoReceiveREJ(