Adjustments for new JSON streaming.
Adjustments for new JSON streaming.

Review: https://reviews.apache.org/r/25053

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