Update default value for Socket.recv().
Update default value for Socket.recv().

This was defaulted in the Impl, but not the interface.

Review: https://reviews.apache.org/r/35955

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