Update remoting_perftest to evaluate bandwidth estimation.

remoting/test/fake_socket_factory.cc

Index: remoting/test/fake_socket_factory.cc
diff --git a/remoting/test/fake_socket_factory.cc b/remoting/test/fake_socket_factory.cc
index 6313fbf19fb664c802f862a25e4f78bd16f267b4..f639d8e29c5a860da27c2cc1298bf9cb545cd4f6 100644
--- a/remoting/test/fake_socket_factory.cc
+++ b/remoting/test/fake_socket_factory.cc
@@ -151,8 +151,8 @@ int FakeUdpSocket::GetOption(rtc::Socket::Option option, int* value) {
 }
 
 int FakeUdpSocket::SetOption(rtc::Socket::Option option, int value) {
-  NOTIMPLEMENTED();
-  return -1;
+  // All options are currently ignored.
+  return 0;
 }
 
 int FakeUdpSocket::GetError() const {