Add "ice-option:trickle" to generated offers/answers.

webrtc/pc/peerconnection_integrationtest.cc

Index: webrtc/pc/peerconnection_integrationtest.cc
diff --git a/webrtc/pc/peerconnection_integrationtest.cc b/webrtc/pc/peerconnection_integrationtest.cc
index d818300c23f1fe4846d899b3eab589ced74fe771..f3a649a0d3602f5ee12b63bd39286082c018e0b4 100644
--- a/webrtc/pc/peerconnection_integrationtest.cc
+++ b/webrtc/pc/peerconnection_integrationtest.cc
@@ -2459,17 +2459,17 @@ TEST_F(PeerConnectionIntegrationTest, EndToEndCallWithIceRenomination) {
   const cricket::SessionDescription* desc =
       caller()->pc()->local_description()->description();
   for (const cricket::TransportInfo& info : desc->transport_infos()) {
-    ASSERT_NE(info.description.transport_options.end(),
-              std::find(info.description.transport_options.begin(),
-                        info.description.transport_options.end(),
-                        cricket::ICE_RENOMINATION_STR));
+    ASSERT_NE(
+        info.description.transport_options.end(),
+        std::find(info.description.transport_options.begin(),
+                  info.description.transport_options.end(), "renomination"));
   }
   desc = callee()->pc()->local_description()->description();
   for (const cricket::TransportInfo& info : desc->transport_infos()) {
-    ASSERT_NE(info.description.transport_options.end(),
-              std::find(info.description.transport_options.begin(),
-                        info.description.transport_options.end(),
-                        cricket::ICE_RENOMINATION_STR));
+    ASSERT_NE(
+        info.description.transport_options.end(),
+        std::find(info.description.transport_options.begin(),
+                  info.description.transport_options.end(), "renomination"));
   }
   ExpectNewFramesReceivedWithWait(
       kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount,