vapigen: Apply array attributes from finish method to async as well
vapigen: Apply array attributes from finish method to async as well

GNOME/vala,playya/vala,jessevdk/vala,jessevdk/vala,severinh/vala,Distrotech/vala,playya/vala,spidermonkdust/vala,xdave/pvala,GNOME/vala,tjol/vala-tjol,severinh/vala,frida/vala,frida/vala,Distrotech/vala,kamanashisroy/aroop,kamanashisroy/aroop,tjol/vala-tjol,flobrosch/vala-fixes,flobrosch/vala-fixes,tjol/vala-tjol,flobrosch/vala-fixes,playya/vala,GNOME/vala,Distrotech/vala,severinh/vala,rvu95/vala,kamanashisroy/aroop,rvu95/vala,rvu95/vala,spidermonkdust/vala,frida/vala,GNOME/vala,frida/vala,frida/vala,jessevdk/vala,spidermonkdust/vala