Update protobuf to 3.6.1.2
Update protobuf to 3.6.1.2

protobuf 3.6.1.2 contains a fix for the Python3.7 compiler. This will help us
create a nightly Python3.7 build for TensorFlow.

PiperOrigin-RevId: 224068349

aam-at/tensorflow,apark263/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow,karllessard/tensorflow,davidzchen/tensorflow,petewarden/tensorflow,tensorflow/tensorflow-pywrap_saved_model,gunan/tensorflow,petewarden/tensorflow,paolodedios/tensorflow,apark263/tensorflow,DavidNorman/tensorflow,ageron/tensorflow,paolodedios/tensorflow,cxxgtxy/tensorflow,frreiss/tensorflow-fred,ppwwyyxx/tensorflow,jendap/tensorflow,Intel-tensorflow/tensorflow,ageron/tensorflow,alsrgv/tensorflow,davidzchen/tensorflow,jhseu/tensorflow,adit-chandra/tensorflow,jbedorf/tensorflow,davidzchen/tensorflow,sarvex/tensorflow,apark263/tensorflow,jbedorf/tensorflow,theflofly/tensorflow,theflofly/tensorflow,karllessard/tensorflow,davidzchen/tensorflow,Bismarrck/tensorflow,aam-at/tensorflow,apark263/tensorflow,xzturn/tensorflow,aldian/tensorflow,DavidNorman/tensorflow,jendap/tensorflow,jhseu/tensorflow,tensorflow/tensorflow-pywrap_saved_model,DavidNorman/tensorflow,Bismarrck/tensorflow,davidzchen/tensorflow,freedomtan/tensorflow,kevin-coder/tensorflow-fork,Intel-tensorflow/tensorflow,ghchinoy/tensorflow,aldian/tensorflow,gunan/tensorflow,cxxgtxy/tensorflow,frreiss/tensorflow-fred,karllessard/tensorflow,theflofly/tensorflow,annarev/tensorflow,ghchinoy/tensorflow,hfp/tensorflow-xsmm,sarvex/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow-pywrap_saved_model,Intel-tensorflow/tensorflow,cxxgtxy/tensorflow,yongtang/tensorflow,petewarden/tensorflow,renyi533/tensorflow,asimshankar/tensorflow,asimshankar/tensorflow,paolodedios/tensorflow,Intel-tensorflow/tensorflow,jbedorf/tensorflow,cxxgtxy/tensorflow,yongtang/tensorflow,Intel-Corporation/tensorflow,adit-chandra/tensorflow,aldian/tensorflow,chemelnucfin/tensorflow,asimshankar/tensorflow,jendap/tensorflow,chemelnucfin/tensorflow,paolodedios/tensorflow,ageron/tensorflow,karllessard/tensorflow,annarev/tensorflow,yongtang/tensorflow,alsrgv/tensorflow,jhseu/tensorflow,davidzchen/tensorflow,jbedorf/tensorflow,gautam1858/tensorflow,jbedorf/tensorflow,xzturn/tensorflow,aldian/tensorflow,gautam1858/tensorflow,renyi533/tensorflow,tensorflow/tensorflow,annarev/tensorflow,paolodedios/tensorflow,frreiss/tensorflow-fred,ppwwyyxx/tensorflow,tensorflow/tensorflow-pywrap_saved_model,frreiss/tensorflow-fred,ppwwyyxx/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow-experimental_link_static_libraries_once,gunan/tensorflow,tensorflow/tensorflow,alsrgv/tensorflow,annarev/tensorflow,jendap/tensorflow,sarvex/tensorflow,kevin-coder/tensorflow-fork,hfp/tensorflow-xsmm,freedomtan/tensorflow,gunan/tensorflow,petewarden/tensorflow,alsrgv/tensorflow,theflofly/tensorflow,arborh/tensorflow,asimshankar/tensorflow,kevin-coder/tensorflow-fork,arborh/tensorflow,renyi533/tensorflow,adit-chandra/tensorflow,xzturn/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,cxxgtxy/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,xzturn/tensorflow,yongtang/tensorflow,ppwwyyxx/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,chemelnucfin/tensorflow,hfp/tensorflow-xsmm,aam-at/tensorflow,davidzchen/tensorflow,kevin-coder/tensorflow-fork,tensorflow/tensorflow-experimental_link_static_libraries_once,frreiss/tensorflow-fred,aam-at/tensorflow,gunan/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,aam-at/tensorflow,Intel-tensorflow/tensorflow,gunan/tensorflow,freedomtan/tensorflow,xzturn/tensorflow,arborh/tensorflow,freedomtan/tensorflow,freedomtan/tensorflow,gunan/tensorflow,ppwwyyxx/tensorflow,xzturn/tensorflow,theflofly/tensorflow,gunan/tensorflow,gautam1858/tensorflow,karllessard/tensorflow,jhseu/tensorflow,apark263/tensorflow,Bismarrck/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow,aam-at/tensorflow,Intel-tensorflow/tensorflow,freedomtan/tensorflow,ageron/tensorflow,annarev/tensorflow,alsrgv/tensorflow,chemelnucfin/tensorflow,alsrgv/tensorflow,jendap/tensorflow,karllessard/tensorflow,apark263/tensorflow,ageron/tensorflow,alsrgv/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,kevin-coder/tensorflow-fork,yongtang/tensorflow,ppwwyyxx/tensorflow,asimshankar/tensorflow,arborh/tensorflow,paolodedios/tensorflow,apark263/tensorflow,hfp/tensorflow-xsmm,hfp/tensorflow-xsmm,davidzchen/tensorflow,renyi533/tensorflow,DavidNorman/tensorflow,asimshankar/tensorflow,kevin-coder/tensorflow-fork,jhseu/tensorflow,alsrgv/tensorflow,alsrgv/tensorflow,tensorflow/tensorflow,DavidNorman/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,hfp/tensorflow-xsmm,tensorflow/tensorflow,aam-at/tensorflow,Bismarrck/tensorflow,yongtang/tensorflow,hfp/tensorflow-xsmm,jendap/tensorflow,paolodedios/tensorflow,ageron/tensorflow,ghchinoy/tensorflow,gunan/tensorflow,theflofly/tensorflow,davidzchen/tensorflow,gautam1858/tensorflow,petewarden/tensorflow,chemelnucfin/tensorflow,petewarden/tensorflow,gautam1858/tensorflow,sarvex/tensorflow,adit-chandra/tensorflow,ghchinoy/tensorflow,Bismarrck/tensorflow,arborh/tensorflow,ppwwyyxx/tensorflow,petewarden/tensorflow,gautam1858/tensorflow,kevin-coder/tensorflow-fork,jendap/tensorflow,tensorflow/tensorflow-pywrap_saved_model,aldian/tensorflow,arborh/tensorflow,ppwwyyxx/tensorflow,ppwwyyxx/tensorflow,karllessard/tensorflow,apark263/tensorflow,petewarden/tensorflow,arborh/tensorflow,yongtang/tensorflow,jbedorf/tensorflow,ppwwyyxx/tensorflow,xzturn/tensorflow,hfp/tensorflow-xsmm,jbedorf/tensorflow,xzturn/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow,theflofly/tensorflow,renyi533/tensorflow,adit-chandra/tensorflow,sarvex/tensorflow,adit-chandra/tensorflow,jendap/tensorflow,DavidNorman/tensorflow,adit-chandra/tensorflow,sarvex/tensorflow,petewarden/tensorflow,hfp/tensorflow-xsmm,tensorflow/tensorflow-experimental_link_static_libraries_once,renyi533/tensorflow,gautam1858/tensorflow,kevin-coder/tensorflow-fork,renyi533/tensorflow,Intel-Corporation/tensorflow,cxxgtxy/tensorflow,jbedorf/tensorflow,Intel-tensorflow/tensorflow,Bismarrck/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow,cxxgtxy/tensorflow,ppwwyyxx/tensorflow,tensorflow/tensorflow-pywrap_saved_model,tensorflow/tensorflow-experimental_link_static_libraries_once,aldian/tensorflow,jendap/tensorflow,Intel-Corporation/tensorflow,ghchinoy/tensorflow,arborh/tensorflow,Intel-Corporation/tensorflow,arborh/tensorflow,jbedorf/tensorflow,aldian/tensorflow,kevin-coder/tensorflow-fork,paolodedios/tensorflow,paolodedios/tensorflow,chemelnucfin/tensorflow,renyi533/tensorflow,tensorflow/tensorflow-pywrap_saved_model,jhseu/tensorflow,Intel-Corporation/tensorflow,DavidNorman/tensorflow,gautam1858/tensorflow,Intel-Corporation/tensorflow,frreiss/tensorflow-fred,chemelnucfin/tensorflow,renyi533/tensorflow,Intel-tensorflow/tensorflow,annarev/tensorflow,chemelnucfin/tensorflow,gautam1858/tensorflow,annarev/tensorflow,asimshankar/tensorflow,adit-chandra/tensorflow,jbedorf/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,ghchinoy/tensorflow,apark263/tensorflow,adit-chandra/tensorflow,aam-at/tensorflow,gautam1858/tensorflow,tensorflow/tensorflow,Bismarrck/tensorflow,ageron/tensorflow,jhseu/tensorflow,aldian/tensorflow,DavidNorman/tensorflow,davidzchen/tensorflow,Bismarrck/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,frreiss/tensorflow-fred,petewarden/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,yongtang/tensorflow,paolodedios/tensorflow,Intel-tensorflow/tensorflow,theflofly/tensorflow,asimshankar/tensorflow,petewarden/tensorflow,adit-chandra/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,apark263/tensorflow,jbedorf/tensorflow,tensorflow/tensorflow-pywrap_saved_model,ageron/tensorflow,freedomtan/tensorflow,jbedorf/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,alsrgv/tensorflow,ghchinoy/tensorflow,chemelnucfin/tensorflow,chemelnucfin/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow-experimental_link_static_libraries_once,karllessard/tensorflow,davidzchen/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,jhseu/tensorflow,tensorflow/tensorflow-pywrap_saved_model,gunan/tensorflow,yongtang/tensorflow,Intel-Corporation/tensorflow,Intel-Corporation/tensorflow,sarvex/tensorflow,sarvex/tensorflow,theflofly/tensorflow,chemelnucfin/tensorflow,tensorflow/tensorflow,adit-chandra/tensorflow,ghchinoy/tensorflow,alsrgv/tensorflow,xzturn/tensorflow,Intel-tensorflow/tensorflow,xzturn/tensorflow,adit-chandra/tensorflow,davidzchen/tensorflow,Intel-tensorflow/tensorflow,karllessard/tensorflow,gunan/tensorflow,renyi533/tensorflow,chemelnucfin/tensorflow,hfp/tensorflow-xsmm,annarev/tensorflow,frreiss/tensorflow-fred,ghchinoy/tensorflow,DavidNorman/tensorflow,tensorflow/tensorflow-pywrap_saved_model,xzturn/tensorflow,frreiss/tensorflow-fred,jhseu/tensorflow,ageron/tensorflow,aam-at/tensorflow,Bismarrck/tensorflow,yongtang/tensorflow,cxxgtxy/tensorflow,Bismarrck/tensorflow,kevin-coder/tensorflow-fork,DavidNorman/tensorflow,tensorflow/tensorflow-pywrap_saved_model,freedomtan/tensorflow,paolodedios/tensorflow,arborh/tensorflow,ghchinoy/tensorflow,gautam1858/tensorflow,renyi533/tensorflow,annarev/tensorflow,theflofly/tensorflow,ghchinoy/tensorflow,yongtang/tensorflow,jhseu/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,ageron/tensorflow,aam-at/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,aam-at/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,jhseu/tensorflow,DavidNorman/tensorflow,asimshankar/tensorflow,annarev/tensorflow,asimshankar/tensorflow,asimshankar/tensorflow,frreiss/tensorflow-fred,DavidNorman/tensorflow,gautam1858/tensorflow,freedomtan/tensorflow,jendap/tensorflow,kevin-coder/tensorflow-fork,alsrgv/tensorflow,karllessard/tensorflow,apark263/tensorflow,ghchinoy/tensorflow,arborh/tensorflow,karllessard/tensorflow,ageron/tensorflow,annarev/tensorflow,ppwwyyxx/tensorflow,freedomtan/tensorflow,hfp/tensorflow-xsmm,xzturn/tensorflow,theflofly/tensorflow,Bismarrck/tensorflow,ageron/tensorflow,arborh/tensorflow,aam-at/tensorflow,jhseu/tensorflow,jendap/tensorflow,gunan/tensorflow,petewarden/tensorflow,theflofly/tensorflow,renyi533/tensorflow