Quick fix in TFLite writer lib related to optional tensors.
Quick fix in TFLite writer lib related to optional tensors.

PiperOrigin-RevId: 322831460
Change-Id: I6ff70b7b65cabd759888b013a76e21bd51da7ab0

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