Switch user before getting executors.
Switch user before getting executors.

git-svn-id: 03d7800a49d8905ef4fbcc296184319e19243493@1338862 13f79535-47bb-0310-9956-ffa450edef68

kaysoky/mesos,dforsyth/mesos,reneploetz/mesos,chhsia0/mesos,dforsyth/mesos,asamerh4/mesos,andschwa/mesos,dforsyth/mesos,abudnik/mesos,enachb/mesos,abudnik/mesos,enachb/mesos,kaysoky/mesos,wickman/mesos,wickman/mesos,asamerh4/mesos,chhsia0/mesos,gsantovena/mesos,verizonlabs/mesos,zmalik/mesos,gsantovena/mesos,kaysoky/mesos,Gilbert88/mesos,dforsyth/mesos,enachb/mesos,wickman/mesos,Gilbert88/mesos,kaysoky/mesos,verizonlabs/mesos,verizonlabs/mesos,andschwa/mesos,reneploetz/mesos,enachb/mesos,neilconway/mesos,wickman/mesos,yuquanshan/customizedMesos,wickman/mesos,asamerh4/mesos,Gilbert88/mesos,chhsia0/mesos,kaysoky/mesos,zmalik/mesos,jpeach/mesos,Aman-Jain-14/customizedMesos,verizonlabs/mesos,yuquanshan/customizedMesos,verizonlabs/mesos,wickman/mesos,andschwa/mesos,enachb/mesos,enachb/mesos,neilconway/mesos,dforsyth/mesos,craimbert/mesos,asamerh4/mesos,andschwa/mesos,reneploetz/mesos,abudnik/mesos,craimbert/mesos,gsantovena/mesos,yuquanshan/customizedMesos,jpeach/mesos,kaysoky/mesos,andschwa/mesos,yuquanshan/customizedMesos,Aman-Jain-14/customizedMesos,reneploetz/mesos,dforsyth/mesos,chhsia0/mesos,yuquanshan/customizedMesos,neilconway/mesos,Gilbert88/mesos,abudnik/mesos,craimbert/mesos,chhsia0/mesos,neilconway/mesos,gsantovena/mesos,craimbert/mesos,neilconway/mesos,reneploetz/mesos,enachb/mesos,wickman/mesos,dforsyth/mesos,neilconway/mesos,jpeach/mesos,gsantovena/mesos,gsantovena/mesos,zmalik/mesos,reneploetz/mesos,chhsia0/mesos,Gilbert88/mesos,Aman-Jain-14/customizedMesos,yuquanshan/customizedMesos,asamerh4/mesos,craimbert/mesos,Aman-Jain-14/customizedMesos,Aman-Jain-14/customizedMesos,abudnik/mesos,andschwa/mesos,andschwa/mesos,Aman-Jain-14/customizedMesos,neilconway/mesos,verizonlabs/mesos,zmalik/mesos,zmalik/mesos,reneploetz/mesos,Gilbert88/mesos,craimbert/mesos,gsantovena/mesos,kaysoky/mesos,jpeach/mesos,asamerh4/mesos,abudnik/mesos,Gilbert88/mesos,craimbert/mesos,chhsia0/mesos,zmalik/mesos,jpeach/mesos,asamerh4/mesos,jpeach/mesos,Aman-Jain-14/customizedMesos,jpeach/mesos,abudnik/mesos,zmalik/mesos,yuquanshan/customizedMesos,verizonlabs/mesos