Disable gn check for glue/trace_event.h non-Fuchsia path (#3501)
Disable gn check for glue/trace_event.h non-Fuchsia path (#3501)

gn check does not run a C preprocessor, so it cannot understand that a
particular include does not apply to a particular build configuration.
tvolkert/engine,rmacnak-google/engine,Hixie/sky_engine,aam/engine,rmacnak-google/engine,devoncarew/engine,jamesr/sky_engine,jason-simmons/flutter_engine,aam/engine,tvolkert/engine,chinmaygarde/sky_engine,jason-simmons/sky_engine,krisgiesing/sky_engine,Hixie/sky_engine,krisgiesing/sky_engine,rmacnak-google/engine,rmacnak-google/engine,krisgiesing/sky_engine,flutter/engine,devoncarew/engine,Hixie/sky_engine,flutter/engine,aam/engine,chinmaygarde/sky_engine,devoncarew/sky_engine,jason-simmons/flutter_engine,aam/engine,aam/engine,jason-simmons/sky_engine,cdotstout/sky_engine,jason-simmons/sky_engine,tvolkert/engine,jason-simmons/sky_engine,aam/engine,devoncarew/sky_engine,chinmaygarde/sky_engine,devoncarew/engine,chinmaygarde/sky_engine,jamesr/sky_engine,flutter/engine,jason-simmons/flutter_engine,jason-simmons/flutter_engine,chinmaygarde/flutter_engine,jamesr/flutter_engine,devoncarew/sky_engine,flutter/engine,krisgiesing/sky_engine,devoncarew/engine,jamesr/flutter_engine,flutter/engine,chinmaygarde/flutter_engine,flutter/engine,jamesr/sky_engine,cdotstout/sky_engine,chinmaygarde/flutter_engine,jamesr/flutter_engine,chinmaygarde/sky_engine,jason-simmons/sky_engine,jamesr/flutter_engine,jason-simmons/sky_engine,devoncarew/engine,krisgiesing/sky_engine,krisgiesing/sky_engine,chinmaygarde/flutter_engine,jamesr/flutter_engine,chinmaygarde/sky_engine,tvolkert/engine,devoncarew/engine,chinmaygarde/flutter_engine,mikejurka/engine,rmacnak-google/engine,rmacnak-google/engine,cdotstout/sky_engine,flutter/engine,Hixie/sky_engine,tvolkert/engine,cdotstout/sky_engine,chinmaygarde/sky_engine,jamesr/flutter_engine,mikejurka/engine,Hixie/sky_engine,tvolkert/engine,jason-simmons/sky_engine,devoncarew/engine,jamesr/flutter_engine,mikejurka/engine,jamesr/sky_engine,mikejurka/engine,cdotstout/sky_engine,chinmaygarde/flutter_engine,aam/engine,devoncarew/sky_engine,mikejurka/engine,mikejurka/engine,devoncarew/sky_engine,mikejurka/engine,aam/engine,devoncarew/sky_engine,jason-simmons/flutter_engine,jason-simmons/flutter_engine,chinmaygarde/flutter_engine,krisgiesing/sky_engine,mikejurka/engine,Hixie/sky_engine,tvolkert/engine,jamesr/sky_engine,jamesr/sky_engine,cdotstout/sky_engine,jamesr/flutter_engine,jamesr/flutter_engine,flutter/engine,jamesr/sky_engine,jason-simmons/flutter_engine,rmacnak-google/engine,jason-simmons/flutter_engine,mikejurka/engine,Hixie/sky_engine,cdotstout/sky_engine,devoncarew/sky_engine,Hixie/sky_engine