[fuchsia] Add logging for when fdio_get_vmo fails. (#30742)
[fuchsia] Add logging for when fdio_get_vmo fails. (#30742)


jason-simmons/flutter_engine,flutter/engine,devoncarew/engine,rmacnak-google/engine,jason-simmons/flutter_engine,jason-simmons/flutter_engine,rmacnak-google/engine,chinmaygarde/flutter_engine,jason-simmons/flutter_engine,flutter/engine,flutter/engine,jason-simmons/flutter_engine,rmacnak-google/engine,chinmaygarde/flutter_engine,rmacnak-google/engine,rmacnak-google/engine,chinmaygarde/flutter_engine,flutter/engine,chinmaygarde/flutter_engine,chinmaygarde/flutter_engine,flutter/engine,jason-simmons/flutter_engine,devoncarew/engine,flutter/engine,flutter/engine,devoncarew/engine,chinmaygarde/flutter_engine,devoncarew/engine,devoncarew/engine,rmacnak-google/engine,jason-simmons/flutter_engine,devoncarew/engine,devoncarew/engine,flutter/engine,rmacnak-google/engine,jason-simmons/flutter_engine,chinmaygarde/flutter_engine