compat: Update forward compatibility horizon to 2019-07-27
compat: Update forward compatibility horizon to 2019-07-27

PiperOrigin-RevId: 260280037

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