Create a readme file describing what should be in core/platform.
Create a readme file describing what should be in core/platform.

PiperOrigin-RevId: 278403043
Change-Id: Ifa49b2bb9e280335df82cd883dab1956bf6624e2

karllessard/tensorflow,davidzchen/tensorflow,tensorflow/tensorflow-pywrap_saved_model,ppwwyyxx/tensorflow,sarvex/tensorflow,karllessard/tensorflow,cxxgtxy/tensorflow,aam-at/tensorflow,arborh/tensorflow,frreiss/tensorflow-fred,adit-chandra/tensorflow,tensorflow/tensorflow-pywrap_saved_model,davidzchen/tensorflow,freedomtan/tensorflow,petewarden/tensorflow,petewarden/tensorflow,tensorflow/tensorflow,yongtang/tensorflow,petewarden/tensorflow,jhseu/tensorflow,aam-at/tensorflow,gunan/tensorflow,paolodedios/tensorflow,renyi533/tensorflow,ppwwyyxx/tensorflow,Intel-Corporation/tensorflow,aldian/tensorflow,jhseu/tensorflow,gunan/tensorflow,sarvex/tensorflow,adit-chandra/tensorflow,yongtang/tensorflow,jhseu/tensorflow,annarev/tensorflow,frreiss/tensorflow-fred,gunan/tensorflow,davidzchen/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow,tensorflow/tensorflow,paolodedios/tensorflow,davidzchen/tensorflow,arborh/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow-pywrap_tf_optimizer,adit-chandra/tensorflow,Intel-Corporation/tensorflow,Intel-tensorflow/tensorflow,davidzchen/tensorflow,tensorflow/tensorflow-pywrap_saved_model,ppwwyyxx/tensorflow,aldian/tensorflow,gunan/tensorflow,yongtang/tensorflow,Intel-Corporation/tensorflow,xzturn/tensorflow,adit-chandra/tensorflow,renyi533/tensorflow,gunan/tensorflow,cxxgtxy/tensorflow,adit-chandra/tensorflow,cxxgtxy/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,Intel-Corporation/tensorflow,paolodedios/tensorflow,arborh/tensorflow,karllessard/tensorflow,sarvex/tensorflow,xzturn/tensorflow,cxxgtxy/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,davidzchen/tensorflow,Intel-tensorflow/tensorflow,gautam1858/tensorflow,freedomtan/tensorflow,gautam1858/tensorflow,tensorflow/tensorflow-pywrap_saved_model,gautam1858/tensorflow,tensorflow/tensorflow,gunan/tensorflow,adit-chandra/tensorflow,xzturn/tensorflow,annarev/tensorflow,annarev/tensorflow,paolodedios/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,aam-at/tensorflow,jhseu/tensorflow,tensorflow/tensorflow-pywrap_saved_model,davidzchen/tensorflow,renyi533/tensorflow,ppwwyyxx/tensorflow,davidzchen/tensorflow,cxxgtxy/tensorflow,yongtang/tensorflow,davidzchen/tensorflow,renyi533/tensorflow,jhseu/tensorflow,jhseu/tensorflow,gautam1858/tensorflow,gautam1858/tensorflow,arborh/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,paolodedios/tensorflow,karllessard/tensorflow,gautam1858/tensorflow,Intel-tensorflow/tensorflow,arborh/tensorflow,freedomtan/tensorflow,aam-at/tensorflow,gautam1858/tensorflow,karllessard/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,yongtang/tensorflow,arborh/tensorflow,paolodedios/tensorflow,adit-chandra/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow,aam-at/tensorflow,tensorflow/tensorflow-pywrap_saved_model,freedomtan/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow-pywrap_saved_model,yongtang/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,frreiss/tensorflow-fred,tensorflow/tensorflow,Intel-tensorflow/tensorflow,davidzchen/tensorflow,Intel-tensorflow/tensorflow,petewarden/tensorflow,Intel-Corporation/tensorflow,gautam1858/tensorflow,xzturn/tensorflow,tensorflow/tensorflow-pywrap_saved_model,paolodedios/tensorflow,yongtang/tensorflow,annarev/tensorflow,gautam1858/tensorflow,tensorflow/tensorflow-pywrap_saved_model,annarev/tensorflow,karllessard/tensorflow,sarvex/tensorflow,jhseu/tensorflow,paolodedios/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,freedomtan/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,aam-at/tensorflow,aldian/tensorflow,renyi533/tensorflow,cxxgtxy/tensorflow,aam-at/tensorflow,arborh/tensorflow,annarev/tensorflow,adit-chandra/tensorflow,renyi533/tensorflow,ppwwyyxx/tensorflow,petewarden/tensorflow,Intel-tensorflow/tensorflow,gautam1858/tensorflow,cxxgtxy/tensorflow,aldian/tensorflow,ppwwyyxx/tensorflow,karllessard/tensorflow,karllessard/tensorflow,Intel-tensorflow/tensorflow,xzturn/tensorflow,gautam1858/tensorflow,arborh/tensorflow,paolodedios/tensorflow,petewarden/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,jhseu/tensorflow,xzturn/tensorflow,aldian/tensorflow,petewarden/tensorflow,renyi533/tensorflow,aldian/tensorflow,cxxgtxy/tensorflow,xzturn/tensorflow,jhseu/tensorflow,arborh/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow-pywrap_saved_model,annarev/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow-experimental_link_static_libraries_once,sarvex/tensorflow,aam-at/tensorflow,petewarden/tensorflow,renyi533/tensorflow,xzturn/tensorflow,gunan/tensorflow,freedomtan/tensorflow,freedomtan/tensorflow,xzturn/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,adit-chandra/tensorflow,ppwwyyxx/tensorflow,petewarden/tensorflow,aam-at/tensorflow,xzturn/tensorflow,annarev/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow-pywrap_tf_optimi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