Modify CrossGen test script to work around cmd.exe bug
Modify CrossGen test script to work around cmd.exe bug

AlexGhiondea/coreclr,roncain/coreclr,dasMulli/coreclr,botaberg/coreclr,YongseopKim/coreclr,yizhang82/coreclr,parjong/coreclr,gkhanna79/coreclr,kyulee1/coreclr,yeaicc/coreclr,bartdesmet/coreclr,JosephTremoulet/coreclr,JosephTremoulet/coreclr,naamunds/coreclr,cydhaselton/coreclr,ruben-ayrapetyan/coreclr,wtgodbe/coreclr,russellhadley/coreclr,neurospeech/coreclr,shahid-pk/coreclr,cmckinsey/coreclr,qiudesong/coreclr,cmckinsey/coreclr,neurospeech/coreclr,jamesqo/coreclr,dasMulli/coreclr,ZhichengZhu/coreclr,yizhang82/coreclr,vinnyrom/coreclr,sjsinju/coreclr,YongseopKim/coreclr,roncain/coreclr,sjsinju/coreclr,wateret/coreclr,martinwoodward/coreclr,KrzysztofCwalina/coreclr,josteink/coreclr,ragmani/coreclr,russellhadley/coreclr,parjong/coreclr,bartdesmet/coreclr,manu-silicon/coreclr,yeaicc/coreclr,tijoytom/coreclr,dasMulli/coreclr,JonHanna/coreclr,Dmitry-Me/coreclr,cydhaselton/coreclr,poizan42/coreclr,ramarag/coreclr,yizhang82/coreclr,mmitche/coreclr,cmckinsey/coreclr,cshung/coreclr,manu-silicon/coreclr,AlexGhiondea/coreclr,sjsinju/coreclr,JosephTremoulet/coreclr,krytarowski/coreclr,KrzysztofCwalina/coreclr,roncain/coreclr,James-Ko/coreclr,KrzysztofCwalina/coreclr,neurospeech/coreclr,parjong/coreclr,russellhadley/coreclr,neurospeech/coreclr,wateret/coreclr,alexperovich/coreclr,ZhichengZhu/coreclr,JosephTremoulet/coreclr,ZhichengZhu/coreclr,naamunds/coreclr,tijoytom/coreclr,neurospeech/coreclr,James-Ko/coreclr,tijoytom/coreclr,poizan42/coreclr,wateret/coreclr,botaberg/coreclr,wtgodbe/coreclr,cydhaselton/coreclr,rartemev/coreclr,ragmani/coreclr,jamesqo/coreclr,jhendrixMSFT/coreclr,JonHanna/coreclr,poizan42/coreclr,JosephTremoulet/coreclr,mskvortsov/coreclr,cshung/coreclr,ramarag/coreclr,manu-silicon/coreclr,parjong/coreclr,James-Ko/coreclr,krytarowski/coreclr,dpodder/coreclr,jhendrixMSFT/coreclr,krk/coreclr,cmckinsey/coreclr,sjsinju/coreclr,wateret/coreclr,yeaicc/coreclr,krk/coreclr,manu-silicon/coreclr,gkhanna79/coreclr,jhendrixMSFT/coreclr,dpodder/coreclr,rartemev/coreclr,ruben-ayrapetyan/coreclr,naamunds/coreclr,James-Ko/coreclr,qiudesong/coreclr,JonHanna/coreclr,yizhang82/coreclr,ramarag/coreclr,yeaicc/coreclr,martinwoodward/coreclr,James-Ko/coreclr,jamesqo/coreclr,jhendrixMSFT/coreclr,josteink/coreclr,shahid-pk/coreclr,russellhadley/coreclr,JosephTremoulet/coreclr,rartemev/coreclr,Dmitry-Me/coreclr,cmckinsey/coreclr,poizan42/coreclr,krk/coreclr,naamunds/coreclr,mmitche/coreclr,cshung/coreclr,gkhanna79/coreclr,ramarag/coreclr,hseok-oh/coreclr,dpodder/coreclr,botaberg/coreclr,martinwoodward/coreclr,cydhaselton/coreclr,bartdesmet/coreclr,James-Ko/coreclr,bartdesmet/coreclr,qiudesong/coreclr,cydhaselton/coreclr,yeaicc/coreclr,rartemev/coreclr,shahid-pk/coreclr,ruben-ayrapetyan/coreclr,jhendrixMSFT/coreclr,jamesqo/coreclr,ragmani/coreclr,roncain/coreclr,tijoytom/coreclr,krk/coreclr,manu-silicon/coreclr,ZhichengZhu/coreclr,naamunds/coreclr,dasMulli/coreclr,bartdesmet/coreclr,sagood/coreclr,rartemev/coreclr,sagood/coreclr,krytarowski/coreclr,dpodder/coreclr,poizan42/coreclr,pgavlin/coreclr,vinnyrom/coreclr,krk/coreclr,yizhang82/coreclr,wtgodbe/coreclr,ZhichengZhu/coreclr,sagood/coreclr,ramarag/coreclr,JonHanna/coreclr,hseok-oh/coreclr,mmitche/coreclr,martinwoodward/coreclr,YongseopKim/coreclr,AlexGhiondea/coreclr,hseok-oh/coreclr,kyulee1/coreclr,sagood/coreclr,sagood/coreclr,vinnyrom/coreclr,AlexGhiondea/coreclr,Dmitry-Me/coreclr,hseok-oh/coreclr,hseok-oh/coreclr,dasMulli/coreclr,krytarowski/coreclr,alexperovich/coreclr,KrzysztofCwalina/coreclr,vinnyrom/coreclr,neurospeech/coreclr,wateret/coreclr,wtgodbe/coreclr,JonHanna/coreclr,naamunds/coreclr,ruben-ayrapetyan/coreclr,wtgodbe/coreclr,ruben-ayrapetyan/coreclr,botaberg/coreclr,kyulee1/coreclr,yeaicc/coreclr,josteink/coreclr,dpodder/coreclr,shahid-pk/coreclr,mmitche/coreclr,ZhichengZhu/coreclr,wateret/coreclr,Dmitry-Me/coreclr,botaberg/coreclr,pgavlin/coreclr,qiudesong/coreclr,roncain/coreclr,mmitche/coreclr,sjsinju/coreclr,botaberg/coreclr,mmitche/coreclr,dasMulli/coreclr,gkhanna79/coreclr,gkhanna79/coreclr,cshung/coreclr,rartemev/coreclr,mskvortsov/coreclr,jhendrixMSFT/coreclr,Dmitry-Me/coreclr,martinwoodward/coreclr,wtgodbe/coreclr,yizhang82/coreclr,tijoytom/coreclr,kyulee1/coreclr,pgavlin/coreclr,mskvortsov/coreclr,shahid-pk/coreclr,manu-silicon/coreclr,mskvortsov/coreclr,josteink/coreclr,YongseopKim/coreclr,alexperovich/coreclr,qiudesong/coreclr,josteink/coreclr,sagood/coreclr,vinnyrom/coreclr,poizan42/coreclr,YongseopKim/coreclr,gkhanna79/coreclr,roncain/coreclr,parjong/coreclr,ragmani/coreclr,alexperovich/coreclr,jamesqo/coreclr,russellhadley/coreclr,pgavlin/coreclr,cshung/coreclr,hseok-oh/coreclr,krytarowski/coreclr,Dmitry-Me/coreclr,cydhaselton/coreclr,cmckinsey/coreclr,pgavlin/coreclr,roncain/coreclr,ragmani/coreclr,kyulee1/coreclr,manu-silicon/coreclr,krk/coreclr,parjong/coreclr,sjsinju/coreclr,mskvortsov/coreclr,Dmitry-Me/coreclr,KrzysztofCwalina/coreclr,dasMulli/coreclr,tijoytom/coreclr,ruben-ayrapetyan/coreclr,mskvortsov/coreclr,shahid-pk/coreclr,vinnyrom/co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