Update outdated comment about updating MirroredVariables.
Update outdated comment about updating MirroredVariables.

PiperOrigin-RevId: 325159511
Change-Id: I05e6e8a192d054b8db56c4e00d500c95b832ad92

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