Remove reference to deprecated field (#32964)
Remove reference to deprecated field (#32964)

log_service_channel is being renamed to log_sink_socket.
rmacnak-google/engine,chinmaygarde/flutter_engine,devoncarew/engine,rmacnak-google/engine,devoncarew/engine,flutter/engine,rmacnak-google/engine,chinmaygarde/flutter_engine,flutter/engine,chinmaygarde/flutter_engine,devoncarew/engine,rmacnak-google/engine,chinmaygarde/flutter_engine,devoncarew/engine,flutter/engine,rmacnak-google/engine,devoncarew/engine,flutter/engine,rmacnak-google/engine,devoncarew/engine,flutter/engine,flutter/engine,devoncarew/engine,chinmaygarde/flutter_engine,rmacnak-google/engine,chinmaygarde/flutter_engine,chinmaygarde/flutter_engine,flutter/engine,flutter/engine