[api] Regenerate remote APIs.

scheduler/appengine/task/buildbucket/buildbucket.go

Index: scheduler/appengine/task/buildbucket/buildbucket.go
diff --git a/scheduler/appengine/task/buildbucket/buildbucket.go b/scheduler/appengine/task/buildbucket/buildbucket.go
index 80158cf26c99a528017b3296f3e67ab4ccd45cc3..48e7a731fa5d065c045ca9f359c9ca40207f1655 100644
--- a/scheduler/appengine/task/buildbucket/buildbucket.go
+++ b/scheduler/appengine/task/buildbucket/buildbucket.go
@@ -353,7 +353,7 @@ func (m TaskManager) checkBuildStatus(c context.Context, ctl task.Controller) er
 
 // handleBuildResult processes buildbucket results message updating the state
 // of the invocation.
-func (m TaskManager) handleBuildResult(c context.Context, ctl task.Controller, r *buildbucket.ApiBuildMessage) {
+func (m TaskManager) handleBuildResult(c context.Context, ctl task.Controller, r *buildbucket.ApiCommonBuildMessage) {
 	ctl.DebugLog(
 		"Build %d: status %q, result %q, failure_reason %q, cancelation_reason %q",
 		r.Id, r.Status, r.Result, r.FailureReason, r.CancelationReason)