Add k8 to toolchains.
Add k8 to toolchains.

PiperOrigin-RevId: 226087365

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