vm_cicerone: add cid to NotifyVmStarted

Cicerone will now use the cid, rather than the IP address, to
determine which VM a container is associated with.

Also fix a comment typo in the SSH keys response proto.

BUG=chromium:866547
TEST=emerge-eve system_api

Change-Id: Iaba56aa6e328ac7819767a16bf1a70911b28c139
Reviewed-on: https://chromium-review.googlesource.com/1146073
Commit-Ready: Stephen Barber <smbarber@chromium.org>
Tested-by: Stephen Barber <smbarber@chromium.org>
Reviewed-by: Chirantan Ekbote <chirantan@chromium.org>
Reviewed-by: Dylan Reid <dgreid@chromium.org>
2 files changed