TPUEstimator: Fix shutdown behavior after preemption.
TPUEstimator: Fix shutdown behavior after preemption.

PiperOrigin-RevId: 299005210
Change-Id: I925e5308c8470dce0e071361441266856278a391

aam-at/tensorflow,karllessard/tensorflow,Intel-Corporation/tensorflow,renyi533/tensorflow,renyi533/tensorflow,aldian/tensorflow,Intel-tensorflow/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,frreiss/tensorflow-fred,renyi533/tensorflow,paolodedios/tensorflow,karllessard/tensorflow,tensorflow/tensorflow,Intel-Corporation/tensorflow,petewarden/tensorflow,petewarden/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,gunan/tensorflow,davidzchen/tensorflow,frreiss/tensorflow-fred,renyi533/tensorflow,cxxgtxy/tensorflow,frreiss/tensorflow-fred,paolodedios/tensorflow,annarev/tensorflow,renyi533/tensorflow,Intel-tensorflow/tensorflow,Intel-tensorflow/tensorflow,aldian/tensorflow,tensorflow/tensorflow-pywrap_saved_model,paolodedios/tensorflow,karllessard/tensorflow,xzturn/tensorflow,karllessard/tensorflow,aldian/tensorflow,tensorflow/tensorflow-pywrap_saved_model,xzturn/tensorflow,gautam1858/tensorflow,xzturn/tensorflow,tensorflow/tensorflow,annarev/tensorflow,petewarden/tensorflow,gautam1858/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,yongtang/tensorflow,davidzchen/tensorflow,Intel-tensorflow/tensorflow,renyi533/tensorflow,yongtang/tensorflow,annarev/tensorflow,aldian/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,cxxgtxy/tensorflow,cxxgtxy/tensorflow,cxxgtxy/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,xzturn/tensorflow,freedomtan/tensorflow,sarvex/tensorflow,renyi533/tensorflow,annarev/tensorflow,petewarden/tensorflow,yongtang/tensorflow,tensorflow/tensorflow-pywrap_saved_model,aam-at/tensorflow,Intel-Corporation/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,karllessard/tensorflow,karllessard/tensorflow,frreiss/tensorflow-fred,gunan/tensorflow,petewarden/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,cxxgtxy/tensorflow,annarev/tensorflow,frreiss/tensorflow-fred,aldian/tensorflow,davidzchen/tensorflow,petewarden/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,gunan/tensorflow,frreiss/tensorflow-fred,paolodedios/tensorflow,freedomtan/tensorflow,annarev/tensorflow,Intel-tensorflow/tensorflow,xzturn/tensorflow,frreiss/tensorflow-fred,annarev/tensorflow,yongtang/tensorflow,xzturn/tensorflow,sarvex/tensorflow,Intel-tensorflow/tensorflow,petewarden/tensorflow,cxxgtxy/tensorflow,tensorflow/tensorflow,aam-at/tensorflow,Intel-Corporation/tensorflow,freedomtan/tensorflow,paolodedios/tensorflow,petewarden/tensorflow,aam-at/tensorflow,gunan/tensorflow,gunan/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow-experimental_link_static_libraries_once,annarev/tensorflow,sarvex/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,renyi533/tensorflow,davidzchen/tensorflow,aam-at/tensorflow,aam-at/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,Intel-tensorflow/tensorflow,yongtang/tensorflow,Intel-tensorflow/tensorflow,Intel-Corporation/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow,renyi533/tensorflow,frreiss/tensorflow-fred,cxxgtxy/tensorflow,tensorflow/tensorflow-pywrap_saved_model,aam-at/tensorflow,aam-at/tensorflow,gunan/tensorflow,yongtang/tensorflow,tensorflow/tensorflow,davidzchen/tensorflow,tensorflow/tensorflow-pywrap_saved_model,xzturn/tensorflow,yongtang/tensorflow,freedomtan/tensorflow,gunan/tensorflow,yongtang/tensorflow,sarvex/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,petewarden/tensorflow,annarev/tensorflow,xzturn/tensorflow,gautam1858/tensorflow,renyi533/tensorflow,paolodedios/tensorflow,tensorflow/tensorflow-pywrap_saved_model,gautam1858/tensorflow,Intel-Corporation/tensorflow,paolodedios/tensorflow,tensorflow/tensorflow-pywrap_saved_model,tensorflow/tensorflow,davidzchen/tensorflow,sarvex/tensorflow,xzturn/tensorflow,paolodedios/tensorflow,yongtang/tensorflow,Intel-Corporation/tensorflow,petewarden/tensorflow,aam-at/tensorflow,freedomtan/tensorflow,aam-at/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,renyi533/tensorflow,gautam1858/tensorflow,gunan/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,petewarden/tensorflow,Intel-tensorflow/tensorflow,tensorflow/tensorflow,freedomtan/tensorflow,davidzchen/tensorflow,davidzchen/tensorflow,xzturn/tensorflow,tensorflow/tensorflow-pywrap_saved_model,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow-pywrap_tf_optimizer,gautam1858/tensorflow,Intel-Corporation/tensorflow,gautam1858/tensorflow,frreiss/tensorflow-fred,gautam1858/tensorflow,gautam1858/tensorflow,annarev/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow-pywrap_saved_model,frreiss/tensorflow-fred,frreiss/tensorflow-fred,karllessard/tensorflow,davidzchen/tensorflow,aam-at/tensorflow,paolodedios/tensorflow,paolodedios/tensorflow,xzturn/tensorflow,aldian/tensorflow,freedomtan/tensorflow,gunan/tensorflow,sarvex/tensorflow,Intel-tensorflow/tensorflow,aam-at/tensorflow,petewarden/tensorflow,gautam1858/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow,Intel-tensorflow/tensorflow,karllessard/tensorflow,aldian/tensorflow,paolodedios/tensorflow,karllessard/tensorflow,yongtang/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,karllessard/tensorflow,renyi533/tensorflow,davidzchen/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow,karllessard/tensorflow,davidzchen/tensorflow,gunan/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,xzturn/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,gautam1858/tensorflow,cxxgtxy/tensorflow,gunan/tensorflow,yongtang/tensorflow,freedomtan/tensorflow,annarev/tensorflow,tensorflow/tensorflow-pywrap_saved_model,sarvex/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,frreiss/tensorflow-fred,gautam1858/tensorflow,davidzchen/tensorflow,aldian/tensorflow,tensorflow/tensorflow-pywrap_saved_model,gunan/tensorflow,sarvex/tensorflow