Add broadcasting support for `tf.where`
Add broadcasting support for `tf.where`

Signed-off-by: Yong Tang <765086fe2e0c1f980161f127fec596800f327f62@outlook.com>

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