Refactor "secure bool" into explicit PROTO_TLS.

webrtc/p2p/base/relayport.cc

Index: webrtc/p2p/base/relayport.cc
diff --git a/webrtc/p2p/base/relayport.cc b/webrtc/p2p/base/relayport.cc
index 795fa5aad4647dcfde0d199630f60d0e2d83bd3c..5887aa0b9c6c00a2acc231707537f8a4369b04f2 100644
--- a/webrtc/p2p/base/relayport.cc
+++ b/webrtc/p2p/base/relayport.cc
@@ -243,8 +243,8 @@ void RelayPort::SetReady() {
       // This is due to as mapped address stun attribute is used for allocated
       // address.
       AddAddress(iter->address, iter->address, rtc::SocketAddress(), proto_name,
-                 proto_name, "", RELAY_PORT_TYPE, ICE_TYPE_PREFERENCE_RELAY, 0,
-                 false);
+                 proto_name, "", RELAY_PORT_TYPE, ICE_TYPE_PREFERENCE_RELAY_UDP,
+                 0, false);
     }
     ready_ = true;
     SignalPortComplete(this);