[Build System] Disable running 32bit iOS simulator by default
[Build System] Disable running 32bit iOS simulator by default

xwu/swift,parkera/swift,gregomni/swift,atrick/swift,hooman/swift,parkera/swift,parkera/swift,parkera/swift,glessard/swift,apple/swift,apple/swift,tkremenek/swift,gregomni/swift,hooman/swift,atrick/swift,JGiola/swift,ahoppen/swift,tkremenek/swift,roambotics/swift,parkera/swift,rudkx/swift,benlangmuir/swift,parkera/swift,parkera/swift,tkremenek/swift,hooman/swift,rudkx/swift,glessard/swift,xwu/swift,xwu/swift,xwu/swift,glessard/swift,roambotics/swift,roambotics/swift,rudkx/swift,ahoppen/swift,roambotics/swift,JGiola/swift,tkremenek/swift,glessard/swift,tkremenek/swift,gregomni/swift,apple/swift,glessard/swift,atrick/swift,JGiola/swift,hooman/swift,roambotics/swift,xwu/swift,hooman/swift,atrick/swift,ahoppen/swift,atrick/swift,JGiola/swift,ahoppen/swift,roambotics/swift,rudkx/swift,xwu/swift,gregomni/swift,benlangmuir/swift,tkremenek/swift,ahoppen/swift,benlangmuir/swift,apple/swift,hooman/swift,JGiola/swift,rudkx/swift,benlangmuir/swift,apple/swift,ahoppen/swift,gregomni/swift,gregomni/swift,tkremenek/swift,hooman/swift,rudkx/swift,xwu/swift,atrick/swift,benlangmuir/swift,apple/swift,parkera/swift,glessard/swift,JGiola/swift,benlangmuir/swift