Add note about attributions and licenses for 3rd-party originated tests
Add note about attributions and licenses for 3rd-party originated tests

botaberg/coreclr,hseok-oh/coreclr,swgillespie/coreclr,stormleoxia/coreclr,yizhang82/coreclr,James-Ko/coreclr,dasMulli/coreclr,neurospeech/coreclr,pgavlin/coreclr,bartonjs/coreclr,sperling/coreclr,shahid-pk/coreclr,rartemev/coreclr,benpye/coreclr,JosephTremoulet/coreclr,yeaicc/coreclr,manu-silicon/coreclr,mocsy/coreclr,cshung/coreclr,SlavaRa/coreclr,stormleoxia/coreclr,gkhanna79/coreclr,mokchhya/coreclr,schellap/coreclr,Dmitry-Me/coreclr,ZhichengZhu/coreclr,manu-silicon/coreclr,Godin/coreclr,ZhichengZhu/coreclr,SlavaRa/coreclr,bartonjs/coreclr,cshung/coreclr,gkhanna79/coreclr,pgavlin/coreclr,Dmitry-Me/coreclr,chuck-mitchell/coreclr,poizan42/coreclr,cmckinsey/coreclr,cydhaselton/coreclr,poizan42/coreclr,vinnyrom/coreclr,ZhichengZhu/coreclr,ramarag/coreclr,YongseopKim/coreclr,jhendrixMSFT/coreclr,cmckinsey/coreclr,josteink/coreclr,jhendrixMSFT/coreclr,alexperovich/coreclr,sagood/coreclr,cydhaselton/coreclr,cydhaselton/coreclr,tijoytom/coreclr,sjsinju/coreclr,yeaicc/coreclr,mmitche/coreclr,sjsinju/coreclr,mocsy/coreclr,yeaicc/coreclr,dasMulli/coreclr,cmckinsey/coreclr,sjsinju/coreclr,russellhadley/coreclr,AlexGhiondea/coreclr,sejongoh/coreclr,kyulee1/coreclr,wtgodbe/coreclr,rartemev/coreclr,sejongoh/coreclr,mokchhya/coreclr,ragmani/coreclr,cshung/coreclr,andschwa/coreclr,LLITCHEV/coreclr,wkchoy74/coreclr,sejongoh/coreclr,JosephTremoulet/coreclr,sagood/coreclr,mokchhya/coreclr,russellhadley/coreclr,ramarag/coreclr,manu-silicon/coreclr,benpye/coreclr,Lucrecious/coreclr,neurospeech/coreclr,bartdesmet/coreclr,bartdesmet/coreclr,wkchoy74/coreclr,chuck-mitchell/coreclr,gkhanna79/coreclr,wateret/coreclr,pgavlin/coreclr,bartdesmet/coreclr,roncain/coreclr,ruben-ayrapetyan/coreclr,rartemev/coreclr,YongseopKim/coreclr,tijoytom/coreclr,krk/coreclr,tijoytom/coreclr,benpye/coreclr,dasMulli/coreclr,gkhanna79/coreclr,sjsinju/coreclr,ruben-ayrapetyan/coreclr,parjong/coreclr,kyulee1/coreclr,AlexGhiondea/coreclr,poizan42/coreclr,tijoytom/coreclr,wtgodbe/coreclr,krk/coreclr,neurospeech/coreclr,cshung/coreclr,vinnyrom/coreclr,swgillespie/coreclr,stormleoxia/coreclr,YongseopKim/coreclr,sejongoh/coreclr,roncain/coreclr,KrzysztofCwalina/coreclr,mmitche/coreclr,andschwa/coreclr,sjsinju/coreclr,KrzysztofCwalina/coreclr,ragmani/coreclr,parjong/coreclr,yizhang82/coreclr,jamesqo/coreclr,mskvortsov/coreclr,mocsy/coreclr,swgillespie/coreclr,shahid-pk/coreclr,wtgodbe/coreclr,yizhang82/coreclr,cmckinsey/coreclr,SlavaRa/coreclr,kyulee1/coreclr,Godin/coreclr,andschwa/coreclr,Godin/coreclr,wkchoy74/coreclr,ZhichengZhu/coreclr,KrzysztofCwalina/coreclr,andschwa/coreclr,roncain/coreclr,mokchhya/coreclr,AlexGhiondea/coreclr,yeaicc/coreclr,KrzysztofCwalina/coreclr,schellap/coreclr,botaberg/coreclr,KrzysztofCwalina/coreclr,JosephTremoulet/coreclr,wkchoy74/coreclr,neurospeech/coreclr,bartdesmet/coreclr,gkhanna79/coreclr,bartdesmet/coreclr,Lucrecious/coreclr,sejongoh/coreclr,yizhang82/coreclr,benpye/coreclr,bartdesmet/coreclr,rartemev/coreclr,parjong/coreclr,andschwa/coreclr,manu-silicon/coreclr,shahid-pk/coreclr,dasMulli/coreclr,mokchhya/coreclr,sperling/coreclr,botaberg/coreclr,ramarag/coreclr,ragmani/coreclr,wateret/coreclr,wtgodbe/coreclr,mocsy/coreclr,vinnyrom/coreclr,krytarowski/coreclr,Godin/coreclr,LLITCHEV/coreclr,hseok-oh/coreclr,russellhadley/coreclr,benpye/coreclr,krk/coreclr,jamesqo/coreclr,ragmani/coreclr,James-Ko/coreclr,mmitche/coreclr,Godin/coreclr,parjong/coreclr,botaberg/coreclr,ZhichengZhu/coreclr,wtgodbe/coreclr,manu-silicon/coreclr,cshung/coreclr,bartonjs/coreclr,JonHanna/coreclr,pgavlin/coreclr,martinwoodward/coreclr,AlexGhiondea/coreclr,ruben-ayrapetyan/coreclr,YongseopKim/coreclr,tijoytom/coreclr,poizan42/coreclr,benpye/coreclr,manu-silicon/coreclr,russellhadley/coreclr,chuck-mitchell/coreclr,martinwoodward/coreclr,JonHanna/coreclr,Dmitry-Me/coreclr,mmitche/coreclr,qiudesong/coreclr,josteink/coreclr,swgillespie/coreclr,dpodder/coreclr,sperling/coreclr,JonHanna/coreclr,neurospeech/coreclr,KrzysztofCwalina/coreclr,rartemev/coreclr,wateret/coreclr,shahid-pk/coreclr,wateret/coreclr,bartonjs/coreclr,dasMulli/coreclr,LLITCHEV/coreclr,alexperovich/coreclr,krk/coreclr,YongseopKim/coreclr,alexperovich/coreclr,dpodder/coreclr,Lucrecious/coreclr,krytarowski/coreclr,ragmani/coreclr,stormleoxia/coreclr,roncain/coreclr,botaberg/coreclr,James-Ko/coreclr,dasMulli/coreclr,Lucrecious/coreclr,AlexGhiondea/coreclr,alexperovich/coreclr,poizan42/coreclr,mocsy/coreclr,sperling/coreclr,naamunds/coreclr,gkhanna79/coreclr,hseok-oh/coreclr,yizhang82/coreclr,josteink/coreclr,martinwoodward/coreclr,jamesqo/coreclr,Dmitry-Me/coreclr,neurospeech/coreclr,naamunds/coreclr,qiudesong/coreclr,schellap/coreclr,benpye/coreclr,vinnyrom/coreclr,swgillespie/coreclr,jamesqo/coreclr,shahid-pk/coreclr,jhendrixMSFT/coreclr,schellap/coreclr,russellhadley/coreclr,andschwa/coreclr,mskvortsov/coreclr,roncain/coreclr,chuck-mitchell/coreclr,SlavaRa/coreclr,schellap/coreclr,qiudesong/coreclr,shahid-pk/coreclr,sjsinju/coreclr,ragmani/coreclr,sejongoh/coreclr,qiudesong/coreclr,mocsy/coreclr,sperling/coreclr,hseok-oh/coreclr,krytarowski/coreclr,chuck-mitchell/coreclr,alexperovich/coreclr,krytarowski/coreclr,mmitche/coreclr,Dmitry-Me/coreclr,JosephTremoulet/coreclr,sagood/coreclr,krk/coreclr,poizan42/coreclr,josteink/coreclr,chuck-mitchell/coreclr,parjong/coreclr,yeaicc/coreclr,LLITCHEV/coreclr,chuck-mitchell/coreclr,pgavlin/coreclr,swgillespie/coreclr,AlexGhiondea/coreclr,cydhaselton/coreclr,ZhichengZhu/coreclr,ramarag/coreclr,Dmitry-Me/coreclr,JosephTremoulet/coreclr,cshung/coreclr,dpodder/coreclr,ruben-ayrapetyan/coreclr,Lucrecious/coreclr,vinnyrom/coreclr,ramarag/coreclr,swgillespie/coreclr,dpodder/coreclr,schellap/coreclr,LLITCHEV/coreclr,naamunds/coreclr,Godin/coreclr,schellap/coreclr,JonHanna/coreclr,JosephTremoulet/coreclr,mmitche/coreclr,ruben-ayrapetyan/coreclr,krk/coreclr,josteink/coreclr,naamunds/coreclr,jamesqo/coreclr,James-Ko/coreclr,wtgodbe/coreclr,dpodder/coreclr,mskvortsov/coreclr,jhendrixMSFT/coreclr,mskvortsov/coreclr,stormleoxia/coreclr,josteink/coreclr,parjong/coreclr,wkchoy74/coreclr,josteink/coreclr,martinwoodward/coreclr,martinwoodward/coreclr,KrzysztofCwalina/coreclr,LLITCHEV/coreclr,krytarowski/coreclr,James-Ko/coreclr,kyulee1/coreclr,sperling/coreclr,mokchhya/coreclr,russellhadley/coreclr,stormleoxia/coreclr,krytarowski/coreclr,yeaicc/coreclr,JonHanna/coreclr,wateret/coreclr,jhendrixMSFT/coreclr,ZhichengZhu/coreclr,naamunds/coreclr,qiudesong/coreclr,hseok-oh/coreclr,martinwoodward/coreclr,wkchoy74/coreclr,LLITCHEV/coreclr,vinnyrom/coreclr,qiudesong/coreclr,mskvortsov/coreclr,wateret/coreclr,roncain/coreclr,cydhaselton/coreclr,sagood/coreclr,rartemev/coreclr,bartonjs/coreclr,SlavaRa/coreclr,mskvortsov/coreclr,sagood/coreclr,wkchoy74/coreclr,cydhaselton/coreclr,jamesqo/coreclr,bartdesmet/coreclr,dasMulli/coreclr,SlavaRa/coreclr,sperling/coreclr,naamunds/coreclr,Lucrecious/coreclr,Dmitry-Me/coreclr,kyulee1/coreclr,alexperovich/coreclr,jhendrixMSFT/coreclr,naamunds/coreclr,roncain/coreclr,James-Ko/coreclr,andschwa/coreclr,hseok-oh/coreclr,tijoytom/coreclr,dpodder/coreclr,jhendrixMSFT/coreclr,sejongoh/coreclr,ruben-ayrapetyan/coreclr,mocsy/coreclr,ramarag/coreclr,martinwoodward/coreclr,Lucrecious/coreclr,yizhang82/coreclr,yeaicc/coreclr,Godin/coreclr,bartonjs/coreclr,JonHanna/coreclr,botaberg/coreclr,vinnyrom/coreclr,shahid-pk/coreclr,pgavlin/coreclr,cmckinsey/coreclr,YongseopKim/coreclr,cmckinsey/coreclr,ramarag/coreclr,cmckinsey/coreclr,sagood/coreclr,manu-silicon/coreclr,kyulee1/coreclr,bartonjs/coreclr,stormleoxia/coreclr,mokchhya/coreclr