Allow remote fingerprint update during a call

webrtc/p2p/base/transportchannel.cc

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 33 matching lines @@
   SignalWritableState(this);
 }
 
 void TransportChannel::set_dtls_state(DtlsTransportState state) {
   if (dtls_state_ == state) {
     return;
   }
   LOG_J(LS_VERBOSE, this) << "set_dtls_state from:" << dtls_state_ << " to "
                           << state;
   dtls_state_ = state;
-  SignalDtlsState(this);
 }
 
 }  // namespace cricket