Don't call deprecated CreatePeerConnectionFactory() overloads

They're about to be removed.

BUG=webrtc:8396

Change-Id: Ie9a45f4c0dccb4414d2a2f939aa5f142edc6e4b6
Reviewed-on: https://webrtc-review.googlesource.com/12280
Reviewed-by: Taylor Brandstetter <deadbeef@webrtc.org>
Commit-Queue: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20328}

pc/peerconnection_ice_unittest.cc

@@ -17,6 +17,8 @@
 #ifdef WEBRTC_ANDROID
 #include "pc/test/androidtestinitializer.h"
 #endif
+#include "api/audio_codecs/builtin_audio_decoder_factory.h"
+#include "api/audio_codecs/builtin_audio_encoder_factory.h"
 #include "pc/test/fakeaudiocapturemodule.h"
 #include "rtc_base/fakenetwork.h"
 #include "rtc_base/gunit.h"
@@ -82,7 +84,8 @@ class PeerConnectionIceUnitTest : public ::testing::Test {
 #endif
     pc_factory_ = CreatePeerConnectionFactory(
         rtc::Thread::Current(), rtc::Thread::Current(), rtc::Thread::Current(),
-        FakeAudioCaptureModule::Create(), nullptr, nullptr);
+        FakeAudioCaptureModule::Create(), CreateBuiltinAudioEncoderFactory(),
+        CreateBuiltinAudioDecoderFactory(), nullptr, nullptr);
   }
 
   WrapperPtr CreatePeerConnection() {