Add tests where the incoming stream changes codec type.

Bug: webrtc:9294
Change-Id: I9bcdb205be5fbcbfd9063fd6261fb60322036f7c
Reviewed-on: https://webrtc-review.googlesource.com/77720
Reviewed-by: Rasmus Brandt <brandtr@webrtc.org>
Commit-Queue: Åsa Persson <asapersson@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23378}
diff --git a/video/BUILD.gn b/video/BUILD.gn
index 3782217..bc026d2 100644
--- a/video/BUILD.gn
+++ b/video/BUILD.gn
@@ -327,6 +327,7 @@
       "end_to_end_tests/fec_tests.cc",
       "end_to_end_tests/histogram_tests.cc",
       "end_to_end_tests/log_tests.cc",
+      "end_to_end_tests/multi_codec_receive_tests.cc",
       "end_to_end_tests/multi_stream_tester.cc",
       "end_to_end_tests/multi_stream_tester.h",
       "end_to_end_tests/multi_stream_tests.cc",