Upgrade progress reporting in licenses tool (#3951)
Upgrade progress reporting in licenses tool (#3951)

On linux the licenses tools progress reporting was cluttering the screen with extra characters and sometimes was missing the last progress update.
devoncarew/engine,jason-simmons/flutter_engine,devoncarew/sky_engine,mikejurka/engine,jason-simmons/sky_engine,cdotstout/sky_engine,aam/engine,mikejurka/engine,jamesr/sky_engine,jason-simmons/flutter_engine,tvolkert/engine,rmacnak-google/engine,devoncarew/sky_engine,devoncarew/engine,Hixie/sky_engine,jason-simmons/flutter_engine,aam/engine,jason-simmons/flutter_engine,krisgiesing/sky_engine,jamesr/flutter_engine,devoncarew/engine,krisgiesing/sky_engine,cdotstout/sky_engine,jamesr/flutter_engine,jason-simmons/sky_engine,cdotstout/sky_engine,flutter/engine,chinmaygarde/flutter_engine,rmacnak-google/engine,devoncarew/sky_engine,devoncarew/engine,chinmaygarde/sky_engine,devoncarew/engine,mikejurka/engine,mikejurka/engine,chinmaygarde/flutter_engine,chinmaygarde/sky_engine,jason-simmons/sky_engine,devoncarew/sky_engine,jamesr/flutter_engine,aam/engine,chinmaygarde/sky_engine,jamesr/sky_engine,chinmaygarde/flutter_engine,mikejurka/engine,devoncarew/sky_engine,jason-simmons/sky_engine,jamesr/sky_engine,chinmaygarde/sky_engine,aam/engine,rmacnak-google/engine,tvolkert/engine,aam/engine,chinmaygarde/sky_engine,jamesr/sky_engine,jason-simmons/sky_engine,Hixie/sky_engine,flutter/engine,jamesr/flutter_engine,jason-simmons/flutter_engine,cdotstout/sky_engine,flutter/engine,flutter/engine,jamesr/flutter_engine,tvolkert/engine,flutter/engine,devoncarew/engine,jamesr/sky_engine,chinmaygarde/flutter_engine,krisgiesing/sky_engine,jason-simmons/sky_engine,tvolkert/engine,krisgiesing/sky_engine,Hixie/sky_engine,aam/engine,Hixie/sky_engine,chinmaygarde/flutter_engine,chinmaygarde/sky_engine,devoncarew/sky_engine,flutter/engine,jason-simmons/flutter_engine,rmacnak-google/engine,jamesr/flutter_engine,Hixie/sky_engine,krisgiesing/sky_engine,flutter/engine,aam/engine,rmacnak-google/engine,tvolkert/engine,jamesr/sky_engine,mikejurka/engine,jason-simmons/flutter_engine,mikejurka/engine,tvolkert/engine,Hixie/sky_engine,mikejurka/engine,cdotstout/sky_engine,jamesr/flutter_engine,rmacnak-google/engine,krisgiesing/sky_engine,tvolkert/engine,chinmaygarde/flutter_engine,chinmaygarde/flutter_engine,krisgiesing/sky_engine,flutter/engine,jason-simmons/flutter_engine,mikejurka/engine,chinmaygarde/sky_engine,rmacnak-google/engine,jamesr/flutter_engine,cdotstout/sky_engine,Hixie/sky_engine,aam/engine,jamesr/sky_engine,devoncarew/sky_engine,cdotstout/sky_engine,Hixie/sky_engine,jason-simmons/sky_engine,jamesr/flutter_engine,devoncarew/engine