Allow applications to limit the ICE check rate through RTCConfiguration

webrtc/pc/webrtcsession.cc

Index: webrtc/pc/webrtcsession.cc
diff --git a/webrtc/pc/webrtcsession.cc b/webrtc/pc/webrtcsession.cc
index a02aa5796a3325ab77129c8a28e561bdfbaa594f..e59466c67ba1bdd574d5011b20db0d3676fd8996 100644
--- a/webrtc/pc/webrtcsession.cc
+++ b/webrtc/pc/webrtcsession.cc
@@ -1189,6 +1189,7 @@ cricket::IceConfig WebRtcSession::ParseIceConfig(
   ice_config.continual_gathering_policy = gathering_policy;
   ice_config.presume_writable_when_fully_relayed =
       config.presume_writable_when_fully_relayed;
+  ice_config.ice_check_min_interval = config.ice_check_min_interval;
   return ice_config;
 }