TimeZoneInfo Cleanup (#8720)
TimeZoneInfo Cleanup (#8720)

Update TimeZoneInfo to use CoreFX coding style and other minor cleanup.
James-Ko/coreclr,sagood/coreclr,mskvortsov/coreclr,krytarowski/coreclr,cmckinsey/coreclr,yeaicc/coreclr,sagood/coreclr,dpodder/coreclr,JosephTremoulet/coreclr,pgavlin/coreclr,wtgodbe/coreclr,mmitche/coreclr,sagood/coreclr,rartemev/coreclr,wateret/coreclr,JonHanna/coreclr,yeaicc/coreclr,YongseopKim/coreclr,mmitche/coreclr,sjsinju/coreclr,parjong/coreclr,yizhang82/coreclr,tijoytom/coreclr,hseok-oh/coreclr,parjong/coreclr,tijoytom/coreclr,YongseopKim/coreclr,wateret/coreclr,krk/coreclr,qiudesong/coreclr,krytarowski/coreclr,mmitche/coreclr,cmckinsey/coreclr,JosephTremoulet/coreclr,rartemev/coreclr,mmitche/coreclr,alexperovich/coreclr,James-Ko/coreclr,yeaicc/coreclr,JonHanna/coreclr,botaberg/coreclr,sagood/coreclr,YongseopKim/coreclr,James-Ko/coreclr,kyulee1/coreclr,mskvortsov/coreclr,ragmani/coreclr,cmckinsey/coreclr,yeaicc/coreclr,qiudesong/coreclr,botaberg/coreclr,jamesqo/coreclr,tijoytom/coreclr,qiudesong/coreclr,russellhadley/coreclr,cmckinsey/coreclr,krytarowski/coreclr,krk/coreclr,alexperovich/coreclr,cshung/coreclr,cydhaselton/coreclr,James-Ko/coreclr,James-Ko/coreclr,parjong/coreclr,yeaicc/coreclr,cmckinsey/coreclr,krk/coreclr,kyulee1/coreclr,AlexGhiondea/coreclr,dpodder/coreclr,alexperovich/coreclr,wtgodbe/coreclr,JosephTremoulet/coreclr,mskvortsov/coreclr,yeaicc/coreclr,hseok-oh/coreclr,cshung/coreclr,YongseopKim/coreclr,russellhadley/coreclr,JosephTremoulet/coreclr,kyulee1/coreclr,yizhang82/coreclr,cshung/coreclr,botaberg/coreclr,ragmani/coreclr,qiudesong/coreclr,pgavlin/coreclr,jamesqo/coreclr,pgavlin/coreclr,AlexGhiondea/coreclr,cmckinsey/coreclr,ragmani/coreclr,gkhanna79/coreclr,russellhadley/coreclr,poizan42/coreclr,JonHanna/coreclr,wtgodbe/coreclr,AlexGhiondea/coreclr,cydhaselton/coreclr,ruben-ayrapetyan/coreclr,alexperovich/coreclr,cydhaselton/coreclr,cmckinsey/coreclr,wateret/coreclr,mmitche/coreclr,hseok-oh/coreclr,krytarowski/coreclr,tijoytom/coreclr,gkhanna79/coreclr,yeaicc/coreclr,cshung/coreclr,mskvortsov/coreclr,rartemev/coreclr,neurospeech/coreclr,sjsinju/coreclr,botaberg/coreclr,AlexGhiondea/coreclr,ruben-ayrapetyan/coreclr,kyulee1/coreclr,jamesqo/coreclr,pgavlin/coreclr,neurospeech/coreclr,AlexGhiondea/coreclr,rartemev/coreclr,yizhang82/coreclr,tijoytom/coreclr,JonHanna/coreclr,dpodder/coreclr,poizan42/coreclr,gkhanna79/coreclr,jamesqo/coreclr,gkhanna79/coreclr,ragmani/coreclr,krytarowski/coreclr,neurospeech/coreclr,sjsinju/coreclr,hseok-oh/coreclr,jamesqo/coreclr,pgavlin/coreclr,botaberg/coreclr,hseok-oh/coreclr,dpodder/coreclr,JonHanna/coreclr,yizhang82/coreclr,JonHanna/coreclr,alexperovich/coreclr,hseok-oh/coreclr,JosephTremoulet/coreclr,dpodder/coreclr,kyulee1/coreclr,krk/coreclr,gkhanna79/coreclr,ragmani/coreclr,sjsinju/coreclr,sjsinju/coreclr,dpodder/coreclr,wateret/coreclr,wtgodbe/coreclr,yizhang82/coreclr,mskvortsov/coreclr,wtgodbe/coreclr,rartemev/coreclr,poizan42/coreclr,YongseopKim/coreclr,sjsinju/coreclr,kyulee1/coreclr,mskvortsov/coreclr,poizan42/coreclr,gkhanna79/coreclr,cshung/coreclr,cydhaselton/coreclr,wtgodbe/coreclr,krytarowski/coreclr,krk/coreclr,cydhaselton/coreclr,alexperovich/coreclr,cshung/coreclr,ruben-ayrapetyan/coreclr,yizhang82/coreclr,mmitche/coreclr,qiudesong/coreclr,poizan42/coreclr,YongseopKim/coreclr,neurospeech/coreclr,wateret/coreclr,James-Ko/coreclr,ruben-ayrapetyan/coreclr,ragmani/coreclr,sagood/coreclr,cydhaselton/coreclr,botaberg/coreclr,poizan42/coreclr,rartemev/coreclr,tijoytom/coreclr,neurospeech/coreclr,qiudesong/coreclr,ruben-ayrapetyan/coreclr,krk/coreclr,russellhadley/coreclr,sagood/coreclr,parjong/coreclr,russellhadley/coreclr,JosephTremoulet/coreclr,jamesqo/coreclr,pgavlin/coreclr,parjong/coreclr,ruben-ayrapetyan/coreclr,parjong/coreclr,neurospeech/coreclr,AlexGhiondea/coreclr,russellhadley/coreclr,wateret/coreclr