Make test tensorflow/python/keras:resnet50_test be size "medium"
Make test tensorflow/python/keras:resnet50_test be size "medium"

This test sometimes runs longer than 60s, and has been getting flaky timeouts
as a result.  With a longer timeout, it succeeds reliably.

PiperOrigin-RevId: 195704998

alshedivat/tensorflow,theflofly/tensorflow,tensorflow/tensorflow-pywrap_saved_model,nburn42/tensorflow,kevin-coder/tensorflow-fork,theflofly/tensorflow,tensorflow/tensorflow-pywrap_saved_model,alshedivat/tensorflow,nburn42/tensorflow,asimshankar/tensorflow,yongtang/tensorflow,gunan/tensorflow,renyi533/tensorflow,xzturn/tensorflow,karllessard/tensorflow,aam-at/tensorflow,hehongliang/tensorflow,snnn/tensorflow,yanchen036/tensorflow,karllessard/tensorflow,frreiss/tensorflow-fred,xzturn/tensorflow,alsrgv/tensorflow,drpngx/tensorflow,ageron/tensorflow,petewarden/tensorflow,freedomtan/tensorflow,benoitsteiner/tensorflow-xsmm,kevin-coder/tensorflow-fork,annarev/tensorflow,tensorflow/tensorflow-pywrap_saved_model,Intel-tensorflow/tensorflow,yanchen036/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,ppwwyyxx/tensorflow,ppwwyyxx/tensorflow,brchiu/tensorflow,ghchinoy/tensorflow,annarev/tensorflow,ghchinoy/tensorflow,hfp/tensorflow-xsmm,arborh/tensorflow,jhseu/tensorflow,yanchen036/tensorflow,ZhangXinNan/tensorflow,apark263/tensorflow,arborh/tensorflow,benoitsteiner/tensorflow-xsmm,chemelnucfin/tensorflow,DavidNorman/tensorflow,ageron/tensorflow,manipopopo/tensorflow,adit-chandra/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,renyi533/tensorflow,dendisuhubdy/tensorflow,kevin-coder/tensorflow-fork,asimshankar/tensorflow,annarev/tensorflow,jbedorf/tensorflow,cxxgtxy/tensorflow,brchiu/tensorflow,freedomtan/tensorflow,DavidNorman/tensorflow,Bismarrck/tensorflow,hfp/tensorflow-xsmm,drpngx/tensorflow,snnn/tensorflow,petewarden/tensorflow,sarvex/tensorflow,chemelnucfin/tensorflow,lukeiwanski/tensorflow,apark263/tensorflow,aldian/tensorflow,DavidNorman/tensorflow,alshedivat/tensorflow,ghchinoy/tensorflow,benoitsteiner/tensorflow-xsmm,xodus7/tensorflow,karllessard/tensorflow,gunan/tensorflow,Bismarrck/tensorflow,kobejean/tensorflow,renyi533/tensorflow,kobejean/tensorflow,paolodedios/tensorflow,yanchen036/tensorflow,meteorcloudy/tensorflow,xodus7/tensorflow,caisq/tensorflow,jhseu/tensorflow,paolodedios/tensorflow,girving/tensorflow,ZhangXinNan/tensorflow,alshedivat/tensorflow,dancingdan/tensorflow,tensorflow/tensorflow,adit-chandra/tensorflow,jendap/tensorflow,kobejean/tensorflow,caisq/tensorflow,chemelnucfin/tensorflow,annarev/tensorflow,freedomtan/tensorflow,frreiss/tensorflow-fred,girving/tensorflow,yongtang/tensorflow,kobejean/tensorflow,dongjoon-hyun/tensorflow,ZhangXinNan/tensorflow,tensorflow/tensorflow-pywrap_saved_model,alsrgv/tensorflow,drpngx/tensorflow,renyi533/tensorflow,gautam1858/tensorflow,adit-chandra/tensorflow,gautam1858/tensorflow,jbedorf/tensorflow,alshedivat/tensorflow,petewarden/tensorflow,davidzchen/tensorflow,gunan/tensorflow,hehongliang/tensorflow,hehongliang/tensorflow,yongtang/tensorflow,meteorcloudy/tensorflow,tensorflow/tensorflow,jbedorf/tensorflow,seanli9jan/tensorflow,manipopopo/tensorflow,benoitsteiner/tensorflow-xsmm,nburn42/tensorflow,chemelnucfin/tensorflow,apark263/tensorflow,jalexvig/tensorflow,ppwwyyxx/tensorflow,ghchinoy/tensorflow,ppwwyyxx/tensorflow,frreiss/tensorflow-fred,jhseu/tensorflow,kevin-coder/tensorflow-fork,tensorflow/tensorflow-experimental_link_static_libraries_once,cxxgtxy/tensorflow,xodus7/tensorflow,karllessard/tensorflow,ZhangXinNan/tensorflow,AnishShah/tensorflow,alshedivat/tensorflow,dancingdan/tensorflow,gojira/tensorflow,jart/tensorflow,benoitsteiner/tensorflow-xsmm,gunan/tensorflow,manipopopo/tensorflow,arborh/tensorflow,freedomtan/tensorflow,jart/tensorflow,gautam1858/tensorflow,lukeiwanski/tensorflow,ageron/tensorflow,renyi533/tensorflow,gautam1858/tensorflow,kobejean/tensorflow,dancingdan/tensorflow,DavidNorman/tensorflow,kobejean/tensorflow,asimshankar/tensorflow,tensorflow/tensorflow,AnishShah/tensorflow,cxxgtxy/tensorflow,kobejean/tensorflow,Intel-tensorflow/tensorflow,gojira/tensorflow,jbedorf/tensorflow,jart/tensorflow,gojira/tensorflow,renyi533/tensorflow,hfp/tensorflow-xsmm,alshedivat/tensorflow,Intel-Corporation/tensorflow,dendisuhubdy/tensorflow,aselle/tensorflow,benoitsteiner/tensorflow-xsmm,brchiu/tensorflow,adit-chandra/tensorflow,dongjoon-hyun/tensorflow,jalexvig/tensorflow,jhseu/tensorflow,dancingdan/tensorflow,lukeiwanski/tensorflow,jart/tensorflow,nburn42/tensorflow,Intel-tensorflow/tensorflow,seanli9jan/tensorflow,theflofly/tensorflow,theflofly/tensorflow,gautam1858/tensorflow,yanchen036/tensorflow,chemelnucfin/tensorflow,apark263/tensorflow,hfp/tensorflow-xsmm,gunan/tensorflow,dongjoon-hyun/tensorflow,jendap/tensorflow,hfp/tensorflow-xsmm,tensorflow/tensorflow-experimental_link_static_libraries_once,snnn/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,jalexvig/tensorflow,dendisuhubdy/tensorflow,alsrgv/tensorflow,paolodedios/tensorflow,Bismarrck/tensorflow,gautam1858/tensorflow,Intel-tensorflow/tensorflow,kobejean/tensorflow,jendap/tensorflow,arborh/tensorflow,Intel-Corporation/tensorflow,petewarden/tensorflow,paolodedios/tensorflow,xzturn/tensorflow,seanli9jan/tensorflow,jbedorf/tensorflow,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ang/tensorflow,alsrgv/tensorflow,jalexvig/tensorflow,lukeiwanski/tensorflow,freedomtan/tensorflow,chemelnucfin/tensorflow,jbedorf/tensorflow,manipopopo/tensorflow,manipopopo/tensorflow,ppwwyyxx/tensorflow,davidzchen/tensorflow,arborh/tensorflow,ZhangXinNan/tensorflow,alsrgv/tensorflow,aam-at/tensorflow,seanli9jan/tensorflow,dancingdan/tensorflow,lukeiwanski/tensorflow,gojira/tensorflow,xodus7/tensorflow,nburn42/tensorflow,Bismarrck/tensorflow,tensorflow/tensorflow-pywrap_saved_model,brchiu/tensorflow