Expose the update engine function GetLastAttemptError to dbus clients
am: 7d0047203c

* commit '7d0047203cf4263940e92d50b0725d0faf4d9281':
  Expose the update engine function GetLastAttemptError to dbus clients
diff --git a/dbus/update_engine/dbus-constants.h b/dbus/update_engine/dbus-constants.h
index aa64046..93c955c 100644
--- a/dbus/update_engine/dbus-constants.h
+++ b/dbus/update_engine/dbus-constants.h
@@ -16,6 +16,7 @@
 
 // Methods.
 const char kAttemptUpdate[] = "AttemptUpdate";
+const char kGetLastAttemptError[] = "GetLastAttemptError";
 const char kGetStatus[] = "GetStatus";
 const char kRebootIfNeeded[] = "RebootIfNeeded";
 const char kSetChannel[] = "SetChannel";