[AST Printer] Don't resugar base types when printing "A.B".
[AST Printer] Don't resugar base types when printing "A.B".

Fixes the recent regression in the SIL parse_stdlib tests.

gregomni/swift,tinysun212/swift-windows,brentdax/swift,harlanhaskins/swift,tinysun212/swift-windows,deyton/swift,jtbandes/swift,OscarSwanros/swift,return/swift,tjw/swift,hughbe/swift,glessard/swift,Jnosh/swift,hooman/swift,sschiau/swift,tkremenek/swift,calebd/swift,hughbe/swift,zisko/swift,rudkx/swift,arvedviehweger/swift,rudkx/swift,stephentyrone/swift,huonw/swift,tjw/swift,arvedviehweger/swift,Jnosh/swift,frootloops/swift,zisko/swift,bitjammer/swift,xedin/swift,stephentyrone/swift,austinzheng/swift,milseman/swift,atrick/swift,amraboelela/swift,hooman/swift,shajrawi/swift,OscarSwanros/swift,CodaFi/swift,huonw/swift,tinysun212/swift-windows,austinzheng/swift,arvedviehweger/swift,roambotics/swift,tinysun212/swift-windows,return/swift,xwu/swift,aschwaighofer/swift,xedin/swift,swiftix/swift,bitjammer/swift,apple/swift,roambotics/swift,frootloops/swift,sschiau/swift,karwa/swift,jckarter/swift,sschiau/swift,roambotics/swift,hooman/swift,karwa/swift,shahmishal/swift,natecook1000/swift,hooman/swift,djwbrown/swift,karwa/swift,stephentyrone/swift,airspeedswift/swift,bitjammer/swift,Jnosh/swift,return/swift,sschiau/swift,hooman/swift,swiftix/swift,practicalswift/swift,ahoppen/swift,frootloops/swift,amraboelela/swift,glessard/swift,lorentey/swift,tjw/swift,shahmishal/swift,xedin/swift,nathawes/swift,lorentey/swift,benlangmuir/swift,atrick/swift,devincoughlin/swift,hooman/swift,jckarter/swift,practicalswift/swift,OscarSwanros/swift,lorentey/swift,xwu/swift,codestergit/swift,gribozavr/swift,deyton/swift,shahmishal/swift,airspeedswift/swift,CodaFi/swift,parkera/swift,huonw/swift,brentdax/swift,frootloops/swift,jopamer/swift,swiftix/swift,felix91gr/swift,xwu/swift,natecook1000/swift,lorentey/swift,roambotics/swift,austinzheng/swift,karwa/swift,uasys/swift,devincoughlin/swift,zisko/swift,jckarter/swift,devincoughlin/swift,airspeedswift/swift,jtbandes/swift,huonw/swift,swiftix/swift,xedin/swift,gribozavr/swift,harlanhaskins/swift,benlangmuir/swift,practicalswift/swift,djwbrown/swift,xedin/swift,djwbrown/swift,milseman/swift,karwa/swift,shajrawi/swift,natecook1000/swift,roambotics/swift,sschiau/swift,frootloops/swift,arvedviehweger/swift,ahoppen/swift,amraboelela/swift,gribozavr/swift,codestergit/swift,calebd/swift,jopamer/swift,tinysun212/swift-windows,tjw/swift,allevato/swift,return/swift,apple/swift,tkremenek/swift,return/swift,tinysun212/swift-windows,felix91gr/swift,shajrawi/swift,djwbrown/swift,practicalswift/swift,CodaFi/swift,airspeedswift/swift,CodaFi/swift,jckarter/swift,gregomni/swift,arvedviehweger/swift,milseman/swift,CodaFi/swift,natecook1000/swift,amraboelela/swift,uasys/swift,gribozavr/swift,natecook1000/swift,austinzheng/swift,jmgc/swift,allevato/swift,gregomni/swift,aschwaighofer/swift,natecook1000/swift,sschiau/swift,felix91gr/swift,codestergit/swift,ahoppen/swift,danielmartin/swift,deyton/swift,allevato/swift,allevato/swift,return/swift,alblue/swift,CodaFi/swift,hughbe/swift,CodaFi/swift,harlanhaskins/swift,Jnosh/swift,rudkx/swift,uasys/swift,lorentey/swift,parkera/swift,frootloops/swift,harlanhaskins/swift,bitjammer/swift,aschwaighofer/swift,parkera/swift,zisko/swift,practicalswift/swift,benlangmuir/swift,calebd/swift,jopamer/swift,atrick/swift,rudkx/swift,uasys/swift,parkera/swift,atrick/swift,parkera/swift,deyton/swift,jopamer/swift,xwu/swift,tjw/swift,glessard/swift,deyton/swift,tjw/swift,parkera/swift,JGiola/swift,xedin/swift,jopamer/swift,tkremenek/swift,xwu/swift,danielmartin/swift,gregomni/swift,amraboelela/swift,lorentey/swift,benlangmuir/swift,jtbandes/swift,karwa/swift,swiftix/swift,uasys/swift,harlanhaskins/swift,zisko/swift,danielmartin/swift,huonw/swift,swiftix/swift,harlanhaskins/swift,JGiola/swift,jopamer/swift,parkera/swift,zisko/swift,zisko/swift,jckarter/swift,allevato/swift,shahmishal/swift,calebd/swift,practicalswift/swift,airspeedswift/swift,danielmartin/swift,jmgc/swift,OscarSwanros/swift,austinzheng/swift,calebd/swift,gribozavr/swift,aschwaighofer/swift,calebd/swift,xedin/swift,hughbe/swift,jopamer/swift,brentdax/swift,alblue/swift,alblue/swift,hooman/swift,rudkx/swift,hughbe/swift,gribozavr/swift,apple/swift,milseman/swift,xedin/swift,JGiola/swift,alblue/swift,gregomni/swift,hughbe/swift,arvedviehweger/swift,roambotics/swift,felix91gr/swift,codestergit/swift,OscarSwanros/swift,frootloops/swift,shajrawi/swift,practicalswift/swift,stephentyrone/swift,milseman/swift,tjw/swift,Jnosh/swift,deyton/swift,djwbrown/swift,jtbandes/swift,jtbandes/swift,harlanhaskins/swift,shahmishal/swift,shahmishal/swift,austinzheng/swift,shajrawi/swift,xwu/swift,jckarter/swift,hughbe/swift,nathawes/swift,austinzheng/swift,ahoppen/swift,devincoughlin/swift,shajrawi/swift,jmgc/swift,alblue/swift,felix91gr/swift,aschwaighofer/swift,karwa/swift,huonw/swift,JGiola/swift,glessard/swift,natecook1000/swift,return/swift,jmgc/swift,allevato/swift,devincoughlin/swift,devincoughlin/swift,swiftix/swift,karwa/swift,tkremenek/swift,codestergit/swift,gribozavr/swift,bitjammer/swift,nathawes/swift,lorentey/swift,glessard/swift,uasys/swift,alblue/swift,calebd/swift,gregomni/swift,bitjammer/swift,rudkx/swift,benlangmuir/swift,sschiau/swift,stephentyrone/swift,djwbrown/swift,devincoughlin/swift,xwu/swift,shahmishal/swift,nathawes/swift,parkera/swift,tinysun212/swift-windows,brentdax/swift,Jnosh/swift,devincoughlin/swift,allevato/swift,brentdax/swift,stephentyrone/swift,ahoppen/swift,nathawes/swift,airspeedswift/swift,apple/swift,arvedviehweger/swift,jmgc/swift,aschwaighofer/swift,tkremenek/swift,nathawes/swift,danielmartin/swift,bitjammer/swift,Jnosh/swift,apple/swift,tkremenek/swift,milseman/swift,uasys/swift,sschiau/swift,practicalswift/swift,jmgc/swift,JGiola/swift,felix91gr/swift,danielmartin/swift,apple/swift,gribozavr/swift,glessard/swift,airspeedswift/swift,benlangmuir/swift,atrick/swift,jmgc/swift,huonw/swift,brentdax/swift,codestergit/swift,aschwaighofer/swift,nathawes/swift,ahoppen/swift,alblue/swift,stephentyrone/swift,shajrawi/swift,OscarSwanros/swift,tkremenek/swift,jtbandes/swift,OscarSwanros/swift,codestergit/swift,lorentey/swift,jtbandes/swift,amraboelela/swift,shahmishal/swift,djwbrown/swift,brentdax/swift,amraboelela/swift,danielmartin/swift,JGiola/swift,felix91gr/swift,shajrawi/swift,deyton/swift,jckarter/swift,atrick/swift,milseman/swift