Passing the new policy from PeerConnection RTCConfiguration to
p2ptransportchannel.  This CL does not use the new policy yet.
BUG=

Review URL: https://codereview.webrtc.org/1369773003

Cr-Commit-Position: refs/heads/master@{#10092}
diff --git a/talk/app/webrtc/java/jni/classreferenceholder.cc b/talk/app/webrtc/java/jni/classreferenceholder.cc
index d22f792..bc4339d 100644
--- a/talk/app/webrtc/java/jni/classreferenceholder.cc
+++ b/talk/app/webrtc/java/jni/classreferenceholder.cc
@@ -98,6 +98,7 @@
   LoadClass(jni, "org/webrtc/MediaStream");
   LoadClass(jni, "org/webrtc/MediaStreamTrack$State");
   LoadClass(jni, "org/webrtc/PeerConnection$BundlePolicy");
+  LoadClass(jni, "org/webrtc/PeerConnection$ContinualGatheringPolicy");
   LoadClass(jni, "org/webrtc/PeerConnection$RtcpMuxPolicy");
   LoadClass(jni, "org/webrtc/PeerConnection$IceConnectionState");
   LoadClass(jni, "org/webrtc/PeerConnection$IceGatheringState");