vm_cicerone: add ipv4_address to NotifyVmStartedRequest

BUG=chromium:844079
TEST=none

Change-Id: Id7a17e807857e88407a7e04d0ca7441ae4bc803e
Reviewed-on: https://chromium-review.googlesource.com/1096895
Commit-Ready: Stephen Barber <smbarber@chromium.org>
Tested-by: Stephen Barber <smbarber@chromium.org>
Reviewed-by: Chirantan Ekbote <chirantan@chromium.org>
diff --git a/dbus/vm_cicerone/cicerone_service.proto b/dbus/vm_cicerone/cicerone_service.proto
index 7a479cd..3f832f2 100644
--- a/dbus/vm_cicerone/cicerone_service.proto
+++ b/dbus/vm_cicerone/cicerone_service.proto
@@ -25,6 +25,9 @@
   // The netmask for the IPv4 subnet for containers within the VM in network
   // byte order.
   uint32 container_ipv4_netmask = 4;
+
+  // The IPv4 address of the VM in network byte order.
+  uint32 ipv4_address = 5;
 }
 
 // Message sent to cicerone when a VM stopped or failed to complete startup.