Add a flag to filter out high-cost networks.

webrtc/api/java/jni/classreferenceholder.cc

Index: webrtc/api/java/jni/classreferenceholder.cc
diff --git a/webrtc/api/java/jni/classreferenceholder.cc b/webrtc/api/java/jni/classreferenceholder.cc
index d332e117115626f424e45e682075d99f860a8d44..8ed01c51ee208091a9d019872940141eec1ff3ce 100644
--- a/webrtc/api/java/jni/classreferenceholder.cc
+++ b/webrtc/api/java/jni/classreferenceholder.cc
@@ -83,6 +83,7 @@ ClassReferenceHolder::ClassReferenceHolder(JNIEnv* jni) {
   LoadClass(jni, "org/webrtc/PeerConnection$IceGatheringState");
   LoadClass(jni, "org/webrtc/PeerConnection$IceTransportsType");
   LoadClass(jni, "org/webrtc/PeerConnection$TcpCandidatePolicy");
+  LoadClass(jni, "org/webrtc/PeerConnection$CandidateNetworkPolicy");
   LoadClass(jni, "org/webrtc/PeerConnection$KeyType");
   LoadClass(jni, "org/webrtc/PeerConnection$SignalingState");
   LoadClass(jni, "org/webrtc/RtpReceiver");