Fixing a DCHECK failure on unknown connection type from OS.

talk/app/webrtc/java/jni/androidnetworkmonitor_jni.cc

Index: talk/app/webrtc/java/jni/androidnetworkmonitor_jni.cc
diff --git a/talk/app/webrtc/java/jni/androidnetworkmonitor_jni.cc b/talk/app/webrtc/java/jni/androidnetworkmonitor_jni.cc
index ca0c7821d5ea5f556135affe7566706a0c80ac01..89cb010bef1c169604191740a1067fc13f1617cd 100644
--- a/talk/app/webrtc/java/jni/androidnetworkmonitor_jni.cc
+++ b/talk/app/webrtc/java/jni/androidnetworkmonitor_jni.cc
@@ -74,7 +74,7 @@ static NetworkType GetNetworkTypeFromJava(JNIEnv* jni, jobject j_network_type) {
 static rtc::AdapterType AdapterTypeFromNetworkType(NetworkType network_type) {
   switch (network_type) {
     case NETWORK_UNKNOWN:
-      RTC_DCHECK(false) << "Unknown network type ";
+      LOG(LS_WARNING) << "Unknown network type";
       return rtc::ADAPTER_TYPE_UNKNOWN;
     case NETWORK_ETHERNET:
       return rtc::ADAPTER_TYPE_ETHERNET;