Add NanosToMicros to time_utils.h
Add NanosToMicros to time_utils.h

Also fix spellings, order of functions and remove unnecessary rounding,

PiperOrigin-RevId: 304419131
Change-Id: Ia7bede65a58891d9b58032c02691d598f8d48532

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