Update MessagesSentEvent to include amount of data sent.

3 jobs for !1453 with 2014-messages-sent-event in 9 minutes and 53 seconds (queued for 9 minutes and 8 seconds)
latest detached
Status Job ID Name Coverage
  Test
passed #9527
test

00:09:53

 
  Optional Tests
manual #9528
kvm allowed to fail manual
android test
manual #9529
allowed to fail manual
bridge test