Don't hardcode MediaType::ANY in FakeNetworkPipe.

webrtc/test/call_test.cc

Index: webrtc/test/call_test.cc
diff --git a/webrtc/test/call_test.cc b/webrtc/test/call_test.cc
index ad55421f667bc1f73fb195ecf2cb5dd8f3ecd49b..290a9431de813096de18e13f2e787f0b6cdf636f 100644
--- a/webrtc/test/call_test.cc
+++ b/webrtc/test/call_test.cc
@@ -458,11 +458,13 @@ void BaseTest::OnCallsCreated(Call* sender_call, Call* receiver_call) {
 
 test::PacketTransport* BaseTest::CreateSendTransport(Call* sender_call) {
   return new PacketTransport(sender_call, this, test::PacketTransport::kSender,
+                             MediaType::VIDEO,
                              FakeNetworkPipe::Config());
 }
 
 test::PacketTransport* BaseTest::CreateReceiveTransport() {
   return new PacketTransport(nullptr, this, test::PacketTransport::kReceiver,
+                             MediaType::VIDEO,
                              FakeNetworkPipe::Config());
 }