Updated uses of protobuf::read towards explicit undo where needed.
Updated uses of protobuf::read towards explicit undo where needed.

Review: https://reviews.apache.org/r/20237

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