Simplified variadic 'delay' implementation.
Simplified variadic 'delay' implementation.

Review: https://reviews.apache.org/r/10177

git-svn-id: 03d7800a49d8905ef4fbcc296184319e19243493@1462665 13f79535-47bb-0310-9956-ffa450edef68

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