Fix Python 3 issue in LTTNG generating code script
Fix Python 3 issue in LTTNG generating code script

In Python 3 the print statement has become a function.
Enforce Python 3 style by by using __future__ module.

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