Update for Android cross build script (#10483)
Update for Android cross build script (#10483)

Updated URLs for libandroid-support and libandroid-support-dev downloads.
Added URLs and folders for libunwind and libunwind-dev
Removed libunwind build
pgavlin/coreclr,pgavlin/coreclr,gkhanna79/coreclr,YongseopKim/coreclr,qiudesong/coreclr,russellhadley/coreclr,hseok-oh/coreclr,qiudesong/coreclr,alexperovich/coreclr,yizhang82/coreclr,wateret/coreclr,yeaicc/coreclr,alexperovich/coreclr,poizan42/coreclr,yizhang82/coreclr,cshung/coreclr,sagood/coreclr,wateret/coreclr,mskvortsov/coreclr,cydhaselton/coreclr,mmitche/coreclr,cshung/coreclr,parjong/coreclr,mskvortsov/coreclr,mmitche/coreclr,JonHanna/coreclr,cmckinsey/coreclr,jamesqo/coreclr,krytarowski/coreclr,YongseopKim/coreclr,ragmani/coreclr,ruben-ayrapetyan/coreclr,russellhadley/coreclr,poizan42/coreclr,gkhanna79/coreclr,krytarowski/coreclr,yeaicc/coreclr,russellhadley/coreclr,AlexGhiondea/coreclr,AlexGhiondea/coreclr,kyulee1/coreclr,JosephTremoulet/coreclr,ragmani/coreclr,wateret/coreclr,krytarowski/coreclr,krk/coreclr,JosephTremoulet/coreclr,cmckinsey/coreclr,JonHanna/coreclr,parjong/coreclr,rartemev/coreclr,rartemev/coreclr,rartemev/coreclr,YongseopKim/coreclr,James-Ko/coreclr,kyulee1/coreclr,yeaicc/coreclr,krk/coreclr,jamesqo/coreclr,JosephTremoulet/coreclr,AlexGhiondea/coreclr,YongseopKim/coreclr,tijoytom/coreclr,mmitche/coreclr,James-Ko/coreclr,dpodder/coreclr,sagood/coreclr,yizhang82/coreclr,qiudesong/coreclr,cmckinsey/coreclr,ragmani/coreclr,cshung/coreclr,mskvortsov/coreclr,James-Ko/coreclr,JonHanna/coreclr,mmitche/coreclr,cmckinsey/coreclr,wtgodbe/coreclr,JosephTremoulet/coreclr,James-Ko/coreclr,cydhaselton/coreclr,tijoytom/coreclr,JosephTremoulet/coreclr,ruben-ayrapetyan/coreclr,dpodder/coreclr,cmckinsey/coreclr,qiudesong/coreclr,dpodder/coreclr,AlexGhiondea/coreclr,poizan42/coreclr,hseok-oh/coreclr,JonHanna/coreclr,JonHanna/coreclr,cshung/coreclr,poizan42/coreclr,krk/coreclr,hseok-oh/coreclr,qiudesong/coreclr,sagood/coreclr,alexperovich/coreclr,botaberg/coreclr,krk/coreclr,yizhang82/coreclr,poizan42/coreclr,kyulee1/coreclr,rartemev/coreclr,AlexGhiondea/coreclr,JonHanna/coreclr,yeaicc/coreclr,dpodder/coreclr,ruben-ayrapetyan/coreclr,cydhaselton/coreclr,dpodder/coreclr,tijoytom/coreclr,hseok-oh/coreclr,mskvortsov/coreclr,cshung/coreclr,mskvortsov/coreclr,wateret/coreclr,poizan42/coreclr,JosephTremoulet/coreclr,parjong/coreclr,parjong/coreclr,rartemev/coreclr,wtgodbe/coreclr,cydhaselton/coreclr,botaberg/coreclr,kyulee1/coreclr,botaberg/coreclr,krk/coreclr,mmitche/coreclr,mskvortsov/coreclr,rartemev/coreclr,yeaicc/coreclr,gkhanna79/coreclr,krk/coreclr,russellhadley/coreclr,tijoytom/coreclr,alexperovich/coreclr,gkhanna79/coreclr,sagood/coreclr,hseok-oh/coreclr,pgavlin/coreclr,James-Ko/coreclr,gkhanna79/coreclr,yizhang82/coreclr,yizhang82/coreclr,kyulee1/coreclr,ragmani/coreclr,yeaicc/coreclr,gkhanna79/coreclr,ruben-ayrapetyan/coreclr,botaberg/coreclr,wateret/coreclr,jamesqo/coreclr,ragmani/coreclr,cshung/coreclr,alexperovich/coreclr,russellhadley/coreclr,russellhadley/coreclr,sagood/coreclr,jamesqo/coreclr,wtgodbe/coreclr,pgavlin/coreclr,krytarowski/coreclr,ragmani/coreclr,tijoytom/coreclr,alexperovich/coreclr,YongseopKim/coreclr,hseok-oh/coreclr,kyulee1/coreclr,botaberg/coreclr,tijoytom/coreclr,sagood/coreclr,krytarowski/coreclr,botaberg/coreclr,wtgodbe/coreclr,cydhaselton/coreclr,jamesqo/coreclr,parjong/coreclr,pgavlin/coreclr,ruben-ayrapetyan/coreclr,krytarowski/coreclr,cydhaselton/coreclr,cmckinsey/coreclr,qiudesong/coreclr,YongseopKim/coreclr,wateret/coreclr,AlexGhiondea/coreclr,yeaicc/coreclr,dpodder/coreclr,pgavlin/coreclr,James-Ko/coreclr,wtgodbe/coreclr,jamesqo/coreclr,wtgodbe/coreclr,mmitche/coreclr,parjong/coreclr,ruben-ayrapetyan/coreclr,cmckinsey/coreclr