[VOTE] KIP-613: Add end-to-end latency metrics to Streams

[Sophie Blee-Goldman]

Hey all,

I think we've reached a general consensus on all the non-implementation
details of KIP-613 so I'd like to call for a vote.

https://cwiki.apache.org/confluence/display/KAFKA/KIP-613%3A+Add+end-to-end+latency+metrics+to+Streams

Thanks!
Sophie