Add back some APIs needed by legacy test runner, for now
Add back some APIs needed by legacy test runner, for now

[tfs-changeset: 1586974]

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