Fix an issue that tensorflow::data::model::OptimizeHillClimb function may deadlock if multiple ModelDatasetOps are running concurrently.
Fix an issue that tensorflow::data::model::OptimizeHillClimb function may deadlock if multiple ModelDatasetOps are running concurrently.

PiperOrigin-RevId: 335040531
Change-Id: I6d8a4f9dd27254e7318a08cd06ad86bdb0140d2b

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