Switch default build log from diag to default
Switch default build log from diag to default

We were logging about 300 MB per incremental build and
the IO had a very noticeable impact on build time.

To get a diag log wen you actually need one:

   build.cmd /flp:v=diag

chenkennt/corefx,ViktorHofer/corefx,brett25/corefx,kkurni/corefx,fgreinacher/corefx,tstringer/corefx,alphonsekurian/corefx,benjamin-bader/corefx,jlin177/corefx,nelsonsar/corefx,uhaciogullari/corefx,kkurni/corefx,matthubin/corefx,alexandrnikitin/corefx,thiagodin/corefx,nbarbettini/corefx,zmaruo/corefx,Chrisboh/corefx,huanjie/corefx,MaggieTsang/corefx,Ermiar/corefx,cnbin/corefx,shahid-pk/corefx,CloudLens/corefx,erpframework/corefx,Yanjing123/corefx,zmaruo/corefx,Petermarcu/corefx,the-dwyer/corefx,Petermarcu/corefx,690486439/corefx,vidhya-bv/corefx-sorting,parjong/corefx,stone-li/corefx,vs-team/corefx,parjong/corefx,yizhang82/corefx,tstringer/corefx,ericstj/corefx,fgreinacher/corefx,ellismg/corefx,nbarbettini/corefx,axelheer/corefx,gkhanna79/corefx,SGuyGe/corefx,khdang/corefx,tijoytom/corefx,gkhanna79/corefx,mafiya69/corefx,josguil/corefx,claudelee/corefx,fffej/corefx,vidhya-bv/corefx-sorting,n1ghtmare/corefx,jcme/corefx,vrassouli/corefx,s0ne0me/corefx,jlin177/corefx,andyhebear/corefx,manu-silicon/corefx,shimingsg/corefx,ravimeda/corefx,ericstj/corefx,lydonchandra/corefx,shahid-pk/corefx,vidhya-bv/corefx-sorting,shrutigarg/corefx,elijah6/corefx,heXelium/corefx,mazong1123/corefx,khdang/corefx,weltkante/corefx,fgreinacher/corefx,mafiya69/corefx,jeremymeng/corefx,PatrickMcDonald/corefx,CloudLens/corefx,nchikanov/corefx,jcme/corefx,tijoytom/corefx,stone-li/corefx,fernando-rodriguez/corefx,JosephTremoulet/corefx,ravimeda/corefx,jcme/corefx,dotnet-bot/corefx,akivafr123/corefx,rahku/corefx,destinyclown/corefx,mokchhya/corefx,ptoonen/corefx,Winsto/corefx,DnlHarvey/corefx,nchikanov/corefx,dkorolev/corefx,Ermiar/corefx,alexperovich/corefx,weltkante/corefx,mazong1123/corefx,Ermiar/corefx,seanshpark/corefx,lydonchandra/corefx,Chrisboh/corefx,uhaciogullari/corefx,shimingsg/corefx,690486439/corefx,dhoehna/corefx,Ermiar/corefx,anjumrizwi/corefx,josguil/corefx,shahid-pk/corefx,gabrielPeart/corefx,yizhang82/corefx,billwert/corefx,cydhaselton/corefx,rajansingh10/corefx,andyhebear/corefx,seanshpark/corefx,destinyclown/corefx,nbarbettini/corefx,mellinoe/corefx,tijoytom/corefx,twsouthwick/corefx,pgavlin/corefx,comdiv/corefx,elijah6/corefx,nelsonsar/corefx,rahku/corefx,MaggieTsang/corefx,iamjasonp/corefx,nchikanov/corefx,ellismg/corefx,janhenke/corefx,ViktorHofer/corefx,iamjasonp/corefx,benpye/corefx,benjamin-bader/corefx,zmaruo/corefx,shmao/corefx,rahku/corefx,nchikanov/corefx,mmitche/corefx,bpschoch/corefx,mokchhya/corefx,ViktorHofer/corefx,thiagodin/corefx,shana/corefx,PatrickMcDonald/corefx,BrennanConroy/corefx,janhenke/corefx,mazong1123/corefx,fgreinacher/corefx,janhenke/corefx,zhenlan/corefx,viniciustaveira/corefx,CherryCxldn/corefx,Priya91/corefx-1,kyulee1/corefx,shimingsg/corefx,mmitche/corefx,ViktorHofer/corefx,chenxizhang/corefx,YoupHulsebos/corefx,shimingsg/corefx,gkhanna79/corefx,axelheer/corefx,DnlHarvey/corefx,n1ghtmare/corefx,alexperovich/corefx,mmitche/corefx,billwert/corefx,dotnet-bot/corefx,Priya91/corefx-1,PatrickMcDonald/corefx,seanshpark/corefx,stephenmichaelf/corefx,billwert/corefx,bpschoch/corefx,Winsto/corefx,bitcrazed/corefx,khdang/corefx,zhangwenquan/corefx,weltkante/corefx,n1ghtmare/corefx,shana/corefx,Petermarcu/corefx,JosephTremoulet/corefx,bitcrazed/corefx,rubo/corefx,kkurni/corefx,jeremymeng/corefx,larsbj1988/corefx,adamralph/corefx,chaitrakeshav/corefx,cnbin/corefx,comdiv/corefx,benjamin-bader/corefx,alexandrnikitin/corefx,chenkennt/corefx,Priya91/corefx-1,jhendrixMSFT/corefx,Jiayili1/corefx,heXelium/corefx,ptoonen/corefx,MaggieTsang/corefx,JosephTremoulet/corefx,heXelium/corefx,benpye/corefx,Alcaro/corefx,misterzik/corefx,zhangwenquan/corefx,nelsonsar/corefx,VPashkov/corefx,ericstj/corefx,Petermarcu/corefx,brett25/corefx,dotnet-bot/corefx,jhendrixMSFT/corefx,kkurni/corefx,lggomez/corefx,richlander/corefx,alphonsekurian/corefx,alphonsekurian/corefx,Ermiar/corefx,jmhardison/corefx,weltkante/corefx,manu-silicon/corefx,misterzik/corefx,CherryCxldn/corefx,stephenmichaelf/corefx,mafiya69/corefx,mazong1123/corefx,seanshpark/corefx,KrisLee/corefx,rahku/corefx,ptoonen/corefx,lggomez/corefx,jlin177/corefx,shahid-pk/corefx,Priya91/corefx-1,ravimeda/corefx,yizhang82/corefx,weltkante/corefx,nelsonsar/corefx,dhoehna/corefx,dkorolev/corefx,Chrisboh/corefx,Winsto/corefx,nchikanov/corefx,dkorolev/corefx,krytarowski/corefx,iamjasonp/corefx,SGuyGe/corefx,ViktorHofer/corefx,ptoonen/corefx,YoupHulsebos/corefx,MaggieTsang/corefx,dhoehna/corefx,axelheer/corefx,lggomez/corefx,pallavit/corefx,pgavlin/corefx,chaitrakeshav/corefx,mmitche/corefx,mellinoe/corefx,YoupHulsebos/corefx,jcme/corefx,dtrebbien/corefx,Jiayili1/corefx,ViktorHofer/corefx,shmao/corefx,wtgodbe/corefx,benpye/corefx,tijoytom/corefx,janhenke/corefx,the-dwyer/corefx,DnlHarvey/corefx,CherryCxldn/corefx,tstringer/corefx,ellismg/corefx,EverlessDrop41/corefx,jhendrixMSFT/corefx,scott156/corefx,alphonsekurian/corefx,elijah6/corefx,twsouthwick/corefx,jeremymeng/corefx,mafiya69/corefx,Petermarcu/corefx,seanshpark/corefx,n1ghtmare/corefx,seanshpark/corefx,manu-silicon/corefx,shimingsg/corefx,krytarowski/corefx,zhenlan/corefx,nbarbettini/corefx,fffej/corefx,rjxby/corefx,tstringer/corefx,kyulee1/corefx,akivafr123/corefx,billwert/corefx,iamjasonp/corefx,adamralph/corefx,krk/corefx,DnlHarvey/corefx,Yanjing123/corefx,wtgodbe/corefx,rubo/corefx,chenxizhang/corefx,Jiayili1/corefx,scott156/corefx,vrassouli/corefx,shmao/corefx,shrutigarg/corefx,josguil/corefx,gregg-miskelly/corefx,marksmeltzer/corefx,the-dwyer/corefx,BrennanConroy/corefx,oceanho/corefx,shmao/corefx,fffej/corefx,uhaciogullari/corefx,MaggieTsang/corefx,YoupHulsebos/corefx,janhenke/corefx,stephenmichaelf/corefx,matthubin/corefx,ravimeda/corefx,mokchhya/corefx,ptoonen/corefx,stone-li/corefx,cartermp/corefx,YoupHulsebos/corefx,jlin177/corefx,alexandrnikitin/corefx,ellismg/corefx,rajansingh10/corefx,khdang/corefx,690486439/corefx,marksmeltzer/corefx,gregg-miskelly/corefx,Frank125/corefx,manu-silicon/corefx,krk/corefx,dsplaisted/corefx,zhenlan/corefx,richlander/corefx,cartermp/corefx,mazong1123/corefx,shimingsg/corefx,twsouthwick/corefx,rjxby/corefx,pgavlin/corefx,VPashkov/corefx,dsplaisted/corefx,jmhardison/corefx,vs-team/corefx,twsouthwick/corefx,stephenmichaelf/corefx,Alcaro/corefx,claudelee/corefx,rahku/corefx,s0ne0me/corefx,vijaykota/corefx,cartermp/corefx,manu-silicon/corefx,anjumrizwi/corefx,alexandrnikitin/corefx,ellismg/corefx,krytarowski/corefx,stephenmichaelf/corefx,misterzik/corefx,weltkante/corefx,iamjasonp/corefx,JosephTremoulet/corefx,gkhanna79/corefx,viniciustaveira/corefx,cydhaselton/corefx,alexperovich/corefx,pallavit/corefx,nbarbettini/corefx,parjong/corefx,scott156/corefx,pallavit/corefx,zmaruo/corefx,alexperovich/corefx,Jiayili1/corefx,erpframework/corefx,jlin177/corefx,anjumrizwi/corefx,krytarowski/corefx,benpye/corefx,pallavit/corefx,erpframework/corefx,dotnet-bot/corefx,uhaciogullari/corefx,690486439/corefx,ptoonen/corefx,chenxizhang/corefx,shrutigarg/corefx,Chrisboh/corefx,rjxby/corefx,rubo/corefx,690486439/corefx,ravimeda/corefx,jcme/corefx,Chrisboh/corefx,claudelee/corefx,chenkennt/corefx,mafiya69/corefx,mellinoe/corefx,tijoytom/corefx,the-dwyer/corefx,mokchhya/corefx,vrassouli/corefx,Alcaro/corefx,matthubin/corefx,fernando-rodriguez/corefx,jeremymeng/corefx,mazong1123/corefx,gabrielPeart/corefx,nchikanov/corefx,viniciustaveira/corefx,mmitche/corefx,larsbj1988/corefx,comdiv/corefx,jmhardison/corefx,oceanho/corefx,elijah6/corefx,lggomez/corefx,manu-silicon/corefx,jmhardison/corefx,vijaykota/corefx,cartermp/corefx,mmitche/corefx,parjong/corefx,akivafr123/corefx,destinyclown/corefx,wtgodbe/corefx,kkurni/corefx,benjamin-bader/corefx,shmao/corefx,gabrielPeart/corefx,mafiya69/corefx,huanjie/corefx,bitcrazed/corefx,andyhebear/corefx,Jiayili1/corefx,marksmeltzer/corefx,yizhang82/corefx,viniciustaveira/corefx,rjxby/corefx,billwert/corefx,jcme/corefx,Petermarcu/corefx,adamralph/corefx,vs-team/corefx,ericstj/corefx,the-dwyer/corefx,shana/corefx,DnlHarvey/corefx,axelheer/corefx,vidhya-bv/corefx-sorting,huanjie/corefx,nbarbettini/corefx,ericstj/corefx,zhenlan/corefx,rubo/corefx,marksmeltzer/corefx,the-dwyer/corefx,KrisLee/corefx,brett25/corefx,Frank125/corefx,nbarbettini/corefx,Frank125/corefx,benpye/corefx,PatrickMcDonald/corefx,jeremymeng/corefx,khdang/corefx,lggomez/corefx,rubo/corefx,dtrebbien/corefx,zhenlan/corefx,tstringer/corefx,kyulee1/corefx,cydhaselton/corefx,oceanho/corefx,rjxby/corefx,mellinoe/corefx,dhoehna/corefx,axelheer/corefx,jhendrixMSFT/corefx,yizhang82/corefx,popolan1986/corefx,shrutigarg/corefx,akivafr123/corefx,dhoehna/corefx,rjxby/corefx,janhenke/corefx,mokchhya/corefx,matthubin/corefx,Priya91/corefx-1,krytarowski/corefx,vrassouli/corefx,fernando-rodriguez/corefx,stormleoxia/corefx,mokchhya/corefx,SGuyGe/corefx,elijah6/corefx,lydonchandra/corefx,SGuyGe/corefx,richlander/corefx,Yanjing123/corefx,elijah6/corefx,gkhanna79/corefx,richlander/corefx,Petermarcu/corefx,ravimeda/corefx,ViktorHofer/corefx,wtgodbe/corefx,josguil/corefx,YoupHulsebos/corefx,elijah6/corefx,zhenlan/corefx,ericstj/corefx,thiagodin/corefx,jlin177/corefx,erpframework/corefx,twsouthwick/corefx,josguil/corefx,jhendrixMSFT/corefx,tijoytom/corefx,weltkante/corefx,Ermiar/corefx,VPashkov/corefx,dkorolev/corefx,s0ne0me/corefx,krk/corefx,Jiayili1/corefx,ptoonen/corefx,nchikanov/corefx,popolan1986/corefx,twsouthwick/corefx,cydhaselton/corefx,manu-silicon/corefx,andyhebear/corefx,parjong/corefx,vidhya-bv/corefx-sorting,Yanjing123/corefx,xuweixuwei/corefx,Chrisboh/corefx,gkhanna79/corefx,EverlessDrop41/corefx,shimingsg/corefx,dtrebbien/corefx,alphonsekurian/corefx,scott156/corefx,richlander/corefx,bpschoch/corefx,Priya91/corefx-1,stone-li/corefx,rajansingh10/corefx,s0ne0me/corefx,DnlHarvey/corefx,VPashkov/corefx,Ermiar/corefx,dhoehna/corefx,larsbj1988/corefx,n1ghtmare/corefx,kyulee1/corefx,CherryCxldn/corefx,fffej/corefx,kkurni/corefx,brett25/corefx,stormleoxia/corefx,twsouthwick/corefx,stormleoxia/corefx,cydhaselton/corefx,alphonsekurian/corefx,MaggieTsang/corefx,alphonsekurian/corefx,lydonchandra/corefx,rajansingh10/corefx,cartermp/corefx,bpschoch/corefx,benjamin-bader/corefx,huanjie/corefx,thiagodin/corefx,tijoytom/corefx,Jiayili1/corefx,bitcrazed/corefx,jhendrixMSFT/corefx,bitcrazed/corefx,pallavit/corefx,DnlHarvey/corefx,shmao/corefx,khdang/corefx,MaggieTsang/corefx,wtgodbe/corefx,yizhang82/corefx,ravimeda/corefx,billwert/corefx,lggomez/corefx,alexperovich/corefx,dotnet-bot/corefx,stephenmichaelf/corefx,marksmeltzer/corefx,marksmeltzer/corefx,shana/corefx,mazong1123/corefx,zhenlan/corefx,mellinoe/corefx,stormleoxia/corefx,shahid-pk/corefx,chaitrakeshav/corefx,krk/corefx,krk/corefx,krk/corefx,akivafr123/corefx,iamjasonp/corefx,dotnet-bot/corefx,yizhang82/corefx,vijaykota/corefx,heXelium/corefx,rjxby/corefx,stone-li/corefx,rahku/corefx,CloudLens/corefx,gregg-miskelly/corefx,dtrebbien/corefx,JosephTremoulet/corefx,ericstj/corefx,mmitche/corefx,krk/corefx,cnbin/corefx,vs-team/corefx,BrennanConroy/corefx,YoupHulsebos/corefx,parjong/corefx,oceanho/corefx,dhoehna/corefx,rahku/corefx,alexperovich/corefx,JosephTremoulet/corefx,jhendrixMSFT/corefx,pallavit/corefx,richlander/corefx,parjong/corefx,tstringer/corefx,shahid-pk/corefx,xuweixuwei/corefx,larsbj1988/corefx,SGuyGe/corefx,cnbin/corefx,cydhaselton/corefx,mellinoe/corefx,JosephTremoulet/corefx,claudelee/corefx,SGuyGe/corefx,dotnet-bot/corefx,josguil/corefx,alexandrnikitin/corefx,Yanjing123/corefx,benjamin-bader/corefx,pgavlin/corefx,anjumrizwi/corefx,benpye/corefx,billwert/corefx,wtgodbe/corefx,CloudLens/corefx,xuweixuwei/corefx,cartermp/corefx,EverlessDrop41/corefx,lggomez/corefx,zhangwenquan/corefx,iamjasonp/corefx,shmao/corefx,cydhaselton/corefx,alexperovich/corefx,gkhanna79/corefx,PatrickMcDonald/corefx,richlander/corefx,stephenmichaelf/corefx,marksmeltzer/corefx,jlin177/corefx,krytarowski/corefx,krytarowski/corefx,comdiv/corefx,ellismg/corefx,gregg-miskelly/corefx,dsplaisted/corefx,Alcaro/corefx,zhangwenquan/corefx,KrisLee/corefx,the-dwyer/corefx,chaitrakeshav/corefx,seanshpark/corefx,KrisLee/corefx,wtgodbe/corefx,popolan1986/corefx,axelheer/corefx,stone-li/corefx,stone-li/corefx,Frank125/corefx,gabrielPeart/corefx