Make device_util_test as PY3 only
Make device_util_test as PY3 only

PiperOrigin-RevId: 316785955
Change-Id: Ibef166f3b3d095f9c7aaceb68c1c15952d91d250

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