Add a build dependencies script for Linux desktop (#8160)
Add a build dependencies script for Linux desktop (#8160)

Installs the dependencies necessary to build the Linux desktop shell.
Similar to the existing install-build-deps.sh and
install-build-deps-android.sh but specifically for the desktop shell
requirements.
jason-simmons/flutter_engine,rmacnak-google/engine,flutter/engine,mikejurka/engine,devoncarew/engine,devoncarew/sky_engine,jason-simmons/sky_engine,rmacnak-google/engine,devoncarew/engine,mikejurka/engine,jason-simmons/sky_engine,jason-simmons/flutter_engine,cdotstout/sky_engine,devoncarew/sky_engine,rmacnak-google/engine,jamesr/sky_engine,chinmaygarde/sky_engine,cdotstout/sky_engine,Hixie/sky_engine,jason-simmons/flutter_engine,tvolkert/engine,chinmaygarde/sky_engine,chinmaygarde/sky_engine,tvolkert/engine,tvolkert/engine,chinmaygarde/sky_engine,jamesr/flutter_engine,rmacnak-google/engine,aam/engine,flutter/engine,mikejurka/engine,jason-simmons/flutter_engine,jamesr/flutter_engine,chinmaygarde/sky_engine,mikejurka/engine,devoncarew/sky_engine,Hixie/sky_engine,chinmaygarde/flutter_engine,jamesr/sky_engine,Hixie/sky_engine,devoncarew/sky_engine,jason-simmons/sky_engine,jamesr/flutter_engine,chinmaygarde/flutter_engine,jamesr/sky_engine,rmacnak-google/engine,jamesr/sky_engine,jason-simmons/sky_engine,Hixie/sky_engine,tvolkert/engine,cdotstout/sky_engine,mikejurka/engine,devoncarew/sky_engine,devoncarew/engine,jamesr/sky_engine,jason-simmons/sky_engine,cdotstout/sky_engine,jamesr/sky_engine,cdotstout/sky_engine,jason-simmons/flutter_engine,chinmaygarde/flutter_engine,tvolkert/engine,mikejurka/engine,jamesr/flutter_engine,rmacnak-google/engine,mikejurka/engine,cdotstout/sky_engine,flutter/engine,jamesr/flutter_engine,jamesr/flutter_engine,chinmaygarde/flutter_engine,aam/engine,devoncarew/sky_engine,chinmaygarde/sky_engine,tvolkert/engine,jason-simmons/flutter_engine,devoncarew/sky_engine,mikejurka/engine,jamesr/flutter_engine,jamesr/flutter_engine,tvolkert/engine,flutter/engine,jamesr/sky_engine,aam/engine,jason-simmons/sky_engine,Hixie/sky_engine,aam/engine,aam/engine,flutter/engine,devoncarew/engine,jason-simmons/flutter_engine,devoncarew/engine,devoncarew/engine,flutter/engine,Hixie/sky_engine,Hixie/sky_engine,aam/engine,Hixie/sky_engine,flutter/engine,flutter/engine,chinmaygarde/flutter_engine,chinmaygarde/flutter_engine,jamesr/flutter_engine,aam/engine,chinmaygarde/sky_engine,rmacnak-google/engine,cdotstout/sky_engine,mikejurka/engine,jason-simmons/sky_engine,aam/engine,devoncarew/engine,jason-simmons/flutter_engine,chinmaygarde/flutter_engine