Updates description & example usage
Updates description & example usage

Made changes per issue #25844:
- Updated description to mention tf.Keras model. 
- Added the missing line in the example usage for SavedModel and tf.keras model.
yongtang/tensorflow,renyi533/tensorflow,aam-at/tensorflow,petewarden/tensorflow,aam-at/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,renyi533/tensorflow,renyi533/tensorflow,frreiss/tensorflow-fred,arborh/tensorflow,cxxgtxy/tensorflow,davidzchen/tensorflow,petewarden/tensorflow,alsrgv/tensorflow,tensorflow/tensorflow-pywrap_saved_model,chemelnucfin/tensorflow,alsrgv/tensorflow,gunan/tensorflow,tensorflow/tensorflow-pywrap_saved_model,DavidNorman/tensorflow,karllessard/tensorflow,alsrgv/tensorflow,annarev/tensorflow,gautam1858/tensorflow,aam-at/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,frreiss/tensorflow-fred,alsrgv/tensorflow,sarvex/tensorflow,ghchinoy/tensorflow,chemelnucfin/tensorflow,tensorflow/tensorflow-pywrap_saved_model,renyi533/tensorflow,ppwwyyxx/tensorflow,aam-at/tensorflow,yongtang/tensorflow,gautam1858/tensorflow,Intel-Corporation/tensorflow,arborh/tensorflow,yongtang/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,yongtang/tensorflow,gunan/tensorflow,frreiss/tensorflow-fred,gunan/tensorflow,tensorflow/tensorflow-pywrap_saved_model,alsrgv/tensorflow,Intel-tensorflow/tensorflow,chemelnucfin/tensorflow,renyi533/tensorflow,DavidNorman/tensorflow,cxxgtxy/tensorflow,ppwwyyxx/tensorflow,ghchinoy/tensorflow,tensorflow/tensorflow-pywrap_saved_model,jhseu/tensorflow,chemelnucfin/tensorflow,petewarden/tensorflow,davidzchen/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow,gautam1858/tensorflow,ghchinoy/tensorflow,karllessard/tensorflow,renyi533/tensorflow,DavidNorman/tensorflow,annarev/tensorflow,petewarden/tensorflow,annarev/tensorflow,renyi533/tensorflow,paolodedios/tensorflow,freedomtan/tensorflow,paolodedios/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,arborh/tensorflow,karllessard/tensorflow,freedomtan/tensorflow,adit-chandra/tensorflow,davidzchen/tensorflow,renyi533/tensorflow,ppwwyyxx/tensorflow,freedomtan/tensorflow,renyi533/tensorflow,frreiss/tensorflow-fred,jhseu/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,cxxgtxy/tensorflow,tensorflow/tensorflow,arborh/tensorflow,jhseu/tensorflow,xzturn/tensorflow,Intel-tensorflow/tensorflow,adit-chandra/tensorflow,ppwwyyxx/tensorflow,alsrgv/tensorflow,tensorflow/tensorflow,chemelnucfin/tensorflow,tensorflow/tensorflow-pywrap_saved_model,xzturn/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,alsrgv/tensorflow,DavidNorman/tensorflow,cxxgtxy/tensorflow,xzturn/tensorflow,arborh/tensorflow,tensorflow/tensorflow,chemelnucfin/tensorflow,renyi533/tensorflow,DavidNorman/tensorflow,gautam1858/tensorflow,ghchinoy/tensorflow,jhseu/tensorflow,tensorflow/tensorflow-pywrap_saved_model,davidzchen/tensorflow,Intel-Corporation/tensorflow,freedomtan/tensorflow,petewarden/tensorflow,arborh/tensorflow,ghchinoy/tensorflow,cxxgtxy/tensorflow,jhseu/tensorflow,paolodedios/tensorflow,tensorflow/tensorflow,xzturn/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow,DavidNorman/tensorflow,annarev/tensorflow,jhseu/tensorflow,aldian/tensorflow,davidzchen/tensorflow,aldian/tensorflow,jhseu/tensorflow,gautam1858/tensorflow,yongtang/tensorflow,tensorflow/tensorflow-pywrap_saved_model,annarev/tensorflow,freedomtan/tensorflow,aldian/tensorflow,chemelnucfin/tensorflow,xzturn/tensorflow,adit-chandra/tensorflow,ppwwyyxx/tensorflow,davidzchen/tensorflow,ppwwyyxx/tensorflow,chemelnucfin/tensorflow,DavidNorman/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,jhseu/tensorflow,aam-at/tensorflow,xzturn/tensorflow,freedomtan/tensorflow,aldian/tensorflow,aam-at/tensorflow,tensorflow/tensorflow-pywrap_saved_model,gunan/tensorflow,karllessard/tensorflow,aam-at/tensorflow,sarvex/tensorflow,petewarden/tensorflow,adit-chandra/tensorflow,ghchinoy/tensorflow,chemelnucfin/tensorflow,davidzchen/tensorflow,ppwwyyxx/tensorflow,davidzchen/tensorflow,karllessard/tensorflow,alsrgv/tensorflow,paolodedios/tensorflow,annarev/tensorflow,xzturn/tensorflow,jhseu/tensorflow,Intel-Corporation/tensorflow,xzturn/tensorflow,jhseu/tensorflow,paolodedios/tensorflow,gautam1858/tensorflow,annarev/tensorflow,ppwwyyxx/tensorflow,ghchinoy/tensorflow,tensorflow/tensorflow,adit-chandra/tensorflow,gunan/tensorflow,gautam1858/tensorflow,sarvex/tensorflow,freedomtan/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow,Intel-Corporation/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,ghchinoy/tensorflow,ghchinoy/tensorflow,annarev/tensorflow,paolodedios/tensorflow,yongtang/tensorflow,annarev/tensorflow,ghchinoy/tensorflow,petewarden/tensorflow,frreiss/tensorflow-fred,adit-chandra/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,Intel-tensorflow/tensorflow,xzturn/tensorflow,adit-chandra/tensorflow,Intel-tensorflow/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow-pywrap_saved_model,Intel-tensorflow/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,paolodedios/tensorflow,Intel-Corporation/tensorflow,gautam1858/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