Adding Obj-C binding for RTCConfiguration::max_ipv6_networks.

webrtc/sdk/objc/Framework/Headers/WebRTC/RTCConfiguration.h

 /*
  *  Copyright 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 66 matching lines @@
 
 /** The media-bundling policy to use when gathering ICE candidates. */
 @property(nonatomic, assign) RTCBundlePolicy bundlePolicy;
 
 /** The rtcp-mux policy to use when gathering ICE candidates. */
 @property(nonatomic, assign) RTCRtcpMuxPolicy rtcpMuxPolicy;
 @property(nonatomic, assign) RTCTcpCandidatePolicy tcpCandidatePolicy;
 @property(nonatomic, assign) RTCCandidateNetworkPolicy candidateNetworkPolicy;
 @property(nonatomic, assign)
     RTCContinualGatheringPolicy continualGatheringPolicy;
+
+/** By default, the PeerConnection will use a limited number of IPv6 network
+ *  interfaces, in order to avoid too many ICE candidate pairs being created
+ *  and delaying ICE completion.
+ *
+ *  Can be set to INT_MAX to effectively disable the limit.
+ */
+@property(nonatomic, assign) int maxIPv6Networks;
+
 @property(nonatomic, assign) int audioJitterBufferMaxPackets;
 @property(nonatomic, assign) BOOL audioJitterBufferFastAccelerate;
 @property(nonatomic, assign) int iceConnectionReceivingTimeout;
 @property(nonatomic, assign) int iceBackupCandidatePairPingInterval;
 
 /** Key type used to generate SSL identity. Default is ECDSA. */
 @property(nonatomic, assign) RTCEncryptionKeyType keyType;
 
 /** ICE candidate pool size as defined in JSEP. Default is 0. */
 @property(nonatomic, assign) int iceCandidatePoolSize;
@@ skipping 18 matching lines @@
  *  starting a new ICE generation. The regathering happens continuously with
  *  interval specified in milliseconds by the uniform distribution [a, b].
  */
 @property(nonatomic, strong, nullable) RTCIntervalRange *iceRegatherIntervalRange;
 
 - (instancetype)init;
 
 @end
 
 NS_ASSUME_NONNULL_END