benchlog: show GIT revision info rather than Mercurial
benchlog: show GIT revision info rather than Mercurial

Change-Id: Id9c5264cfb20182cdab281a58ac3603a2cb19f23
Reviewed-on: https://code-review.googlesource.com/3080
Reviewed-by: Paul Wankadia <62d4e38bb1380f055ec4b899baa75e52af09c5f7@google.com>

lnussbaum/re2,evilmucedin/re2,driskell/re2-1,google/re2,pombredanne/re2,rAntonioh/re2,wanggchongg/re2,simudream/re2,simudream/re2,rAntonioh/re2,pombredanne/re2,simudream/re2,bowlofstew/re2,ElectronicRU/re2,google/re2,Cfretz244/re2,lnussbaum/re2,rAntonioh/re2,yanqingmen/re2,google/re2,lnussbaum/re2,pombredanne/re2,yanqingmen/re2,rAntonioh/re2,Cfretz244/re2,yanqingmen/re2,driskell/re2-1,google/re2,ElectronicRU/re2,rAntonioh/re2,yanqingmen/re2,evilmucedin/re2,bowlofstew/re2,wanggchongg/re2,pombredanne/re2,bowlofstew/re2,simudream/re2,lnussbaum/re2,driskell/re2-1,Cfretz244/re2,wanggchongg/re2,wanggchongg/re2,simudream/re2,bowlofstew/re2,bowlofstew/re2,Cfretz244/re2,lnussbaum/re2,evilmucedin/re2,ElectronicRU/re2,yanqingmen/re2,driskell/re2-1,evilmucedin/re2,ElectronicRU/re2,google/re2,driskell/re2-1,Cfretz244/re2,evilmucedin/re2,pombredanne/re2,ElectronicRU/re2,wanggchongg/re2