stats: add address as alias for ip

this was renamed in https://github.com/w3c/webrtc-pc/issues/1913 and https://github.com/w3c/webrtc-stats/pull/381

Spec: https://w3c.github.io/webrtc-stats/#dom-rtcicecandidatestats-address

BUG=chromium:968203

Change-Id: If75849fe1dc87ada6850e7b64aa8569e13baf0d8
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/212681
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Commit-Queue: Philipp Hancke <philipp.hancke@googlemail.com>
Cr-Commit-Position: refs/heads/master@{#33534}
diff --git a/stats/rtcstats_objects.cc b/stats/rtcstats_objects.cc
index 8e9f047..33492e7 100644
--- a/stats/rtcstats_objects.cc
+++ b/stats/rtcstats_objects.cc
@@ -259,6 +259,7 @@
     &is_remote,
     &network_type,
     &ip,
+    &address,
     &port,
     &protocol,
     &relay_protocol,
@@ -281,6 +282,7 @@
       is_remote("isRemote", is_remote),
       network_type("networkType"),
       ip("ip"),
+      address("address"),
       port("port"),
       protocol("protocol"),
       relay_protocol("relayProtocol"),
@@ -295,6 +297,7 @@
       is_remote(other.is_remote),
       network_type(other.network_type),
       ip(other.ip),
+      address(other.address),
       port(other.port),
       protocol(other.protocol),
       relay_protocol(other.relay_protocol),