Fix `TPUMirroredVariable.device` when called within a TPU context.
Fix `TPUMirroredVariable.device` when called within a TPU context.

PiperOrigin-RevId: 236814142

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