Add nogncheck to InternalDecoderFactory conditionally included header file.

Bug: none
Change-Id: I8306d3ee538d715d5adb72b0097d8f7517d456e6
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/247368
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Commit-Queue: Philip Eliasson <philipel@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35735}
diff --git a/media/engine/internal_decoder_factory.cc b/media/engine/internal_decoder_factory.cc
index a63d05e..c24c488 100644
--- a/media/engine/internal_decoder_factory.cc
+++ b/media/engine/internal_decoder_factory.cc
@@ -24,7 +24,7 @@
 #include "system_wrappers/include/field_trial.h"
 
 #if defined(RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY)
-#include "modules/video_coding/codecs/av1/dav1d_decoder.h"
+#include "modules/video_coding/codecs/av1/dav1d_decoder.h"  // nogncheck
 #endif
 
 namespace webrtc {