log slow queries
log slow queries

Test Plan: see some slow queries in your logs!

Reviewers: spang

Reviewed By: spang

Differential Revision: https://review.inboxapp.com/D156

gale320/sync-engine,Eagles2F/sync-engine,jobscore/sync-engine,PriviPK/privipk-sync-engine,rmasters/inbox,wakermahmud/sync-engine,Eagles2F/sync-engine,PriviPK/privipk-sync-engine,EthanBlackburn/sync-engine,ErinCall/sync-engine,rmasters/inbox,ErinCall/sync-engine,wakermahmud/sync-engine,wakermahmud/sync-engine,Eagles2F/sync-engine,closeio/nylas,PriviPK/privipk-sync-engine,nylas/sync-engine,wakermahmud/sync-engine,jobscore/sync-engine,rmasters/inbox,wakermahmud/sync-engine,PriviPK/privipk-sync-engine,jobscore/sync-engine,EthanBlackburn/sync-engine,ErinCall/sync-engine,Eagles2F/sync-engine,closeio/nylas,nylas/sync-engine,nylas/sync-engine,gale320/sync-engine,Eagles2F/sync-engine,closeio/nylas,ErinCall/sync-engine,gale320/sync-engine,ErinCall/sync-engine,rmasters/inbox,nylas/sync-engine,gale320/sync-engine,jobscore/sync-engine,PriviPK/privipk-sync-engine,EthanBlackburn/sync-engine,gale320/sync-engine,EthanBlackburn/sync-engine,closeio/nylas,EthanBlackburn/sync-engine