Update GraphDef version to 488.
Update GraphDef version to 488.

PiperOrigin-RevId: 325663031
Change-Id: I5dbbba32c099c84f19dc20174929489b13b353ff

Intel-tensorflow/tensorflow,freedomtan/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow-pywrap_saved_model,freedomtan/tensorflow,freedomtan/tensorflow,gautam1858/tensorflow,petewarden/tensorflow,tensorflow/tensorflow-pywrap_saved_model,frreiss/tensorflow-fred,tensorflow/tensorflow,karllessard/tensorflow,annarev/tensorflow,petewarden/tensorflow,davidzchen/tensorflow,petewarden/tensorflow,karllessard/tensorflow,paolodedios/tensorflow,frreiss/tensorflow-fred,cxxgtxy/tensorflow,tensorflow/tensorflow,davidzchen/tensorflow,freedomtan/tensorflow,davidzchen/tensorflow,frreiss/tensorflow-fred,cxxgtxy/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow-pywrap_saved_model,Intel-tensorflow/tensorflow,yongtang/tensorflow,karllessard/tensorflow,paolodedios/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow-pywrap_tf_optimizer,annarev/tensorflow,Intel-tensorflow/tensorflow,gautam1858/tensorflow,sarvex/tensorflow,sarvex/tensorflow,yongtang/tensorflow,gautam1858/tensorflow,yongtang/tensorflow,Intel-tensorflow/tensorflow,cxxgtxy/tensorflow,davidzchen/tensorflow,frreiss/tensorflow-fred,aldian/tensorflow,petewarden/tensorflow,annarev/tensorflow,petewarden/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,sarvex/tensorflow,davidzchen/tensorflow,paolodedios/tensorflow,gautam1858/tensorflow,annarev/tensorflow,aam-at/tensorflow,sarvex/tensorflow,aam-at/tensorflow,cxxgtxy/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow-pywrap_tf_optimizer,cxxgtxy/tensorflow,karllessard/tensorflow,paolodedios/tensorflow,tensorflow/tensorflow,aam-at/tensorflow,karllessard/tensorflow,petewarden/tensorflow,aam-at/tensorflow,paolodedios/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,yongtang/tensorflow,tensorflow/tensorflow-pywrap_saved_model,davidzchen/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow-pywrap_saved_model,tensorflow/tensorflow,davidzchen/tensorflow,petewarden/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,sarvex/tensorflow,aam-at/tensorflow,Intel-Corporation/tensorflow,annarev/tensorflow,cxxgtxy/tensorflow,aldian/tensorflow,annarev/tensorflow,davidzchen/tensorflow,annarev/tensorflow,sarvex/tensorflow,petewarden/tensorflow,davidzchen/tensorflow,yongtang/tensorflow,Intel-Corporation/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,gautam1858/tensorflow,aam-at/tensorflow,aldian/tensorflow,sarvex/tensorflow,davidzchen/tensorflow,Intel-tensorflow/tensorflow,tensorflow/tensorflow-pywrap_saved_model,Intel-Corporation/tensorflow,annarev/tensorflow,yongtang/tensorflow,aam-at/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow,karllessard/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,karllessard/tensorflow,Intel-Corporation/tensorflow,karllessard/tensorflow,tensorflow/tensorflow-pywrap_saved_model,Intel-tensorflow/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,freedomtan/tensorflow,aam-at/tensorflow,tensorflow/tensorflow-pywrap_saved_model,yongtang/tensorflow,gautam1858/tensorflow,aldian/tensorflow,petewarden/tensorflow,annarev/tensorflow,paolodedios/tensorflow,tensorflow/tensorflow,freedomtan/tensorflow,Intel-Corporation/tensorflow,frreiss/tensorflow-fred,aldian/tensorflow,frreiss/tensorflow-fred,karllessard/tensorflow,aldian/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,gautam1858/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow-pywrap_tf_optimizer,petewarden/tensorflow,paolodedios/tensorflow,annarev/tensorflow,aam-at/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow,petewarden/tensorflow,gautam1858/tensorflow,Intel-tensorflow/tensorflow,Intel-tensorflow/tensorflow,gautam1858/tensorflow,karllessard/tensorflow,davidzchen/tensorflow,tensorflow/tensorflow-pywrap_saved_model,frreiss/tensorflow-fred,tensorflow/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,yongtang/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,yongtang/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,annarev/tensorflow,aldian/tensorflow,frreiss/tensorflow-fred,sarvex/tensorflow,freedomtan/tensorflow,aam-at/tensorflow,aldian/tensorflow,gautam1858/tensorflow,Intel-tensorflow/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow-pywrap_tf_optimizer,aam-at/tensorflow,Intel-Corporation/tensorflow,karllessard/tensorflow,gautam1858/tensorflow,tensorflow/tensorflow-pywrap_saved_model,frreiss/tensorflow-fred,paolodedios/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,paolodedios/tensorflow,cxxgtxy/tensorflow,Intel-tensorflow/tensorflow,yongtang/tensorflow,paolodedios/tensorflow,freedomtan/tensorflow,Intel-Corporation/tensorflow,aam-at/tensorflow,tensorflow/tensorflow,petewarden/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,gautam1858/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,paolodedios/tensorflow,cxxgtxy/tensorflow,yongtang/tensorflow,Intel-tensorflow/tensorflow,Intel-Corporation/tensorflow,davidzchen/tensorflow,tensorflow/tensorflow-pywrap_saved_model,freedomtan/tensorflow