milo: Enable Swarming LogDog log loading.

milo/appengine/logdog/build.go

Index: milo/appengine/logdog/build.go
diff --git a/milo/appengine/logdog/build.go b/milo/appengine/logdog/build.go
index 724517105ceb7dd154282858e47baed64ffbc3fa..a9cbf470add4e8afe3de122aff3adfc1bb09025c 100644
--- a/milo/appengine/logdog/build.go
+++ b/milo/appengine/logdog/build.go
@@ -44,7 +44,7 @@ type AnnotationStream struct {
 	Project cfgtypes.ProjectName
 	Path    types.StreamPath
 
-	// logDogClient is the HTTP client to use for LogDog communication.
+	// Client is the HTTP client to use for LogDog communication.
 	Client *coordinator.Client
 
 	// cs is the unmarshalled annotation stream Step and associated data.
@@ -212,12 +212,6 @@ func (as *AnnotationStream) Load(c context.Context) (*miloProto.Step, error) {
 		Finished: (state.State.TerminalIndex >= 0 && le.StreamIndex == uint64(state.State.TerminalIndex)),
 	}
 
-	// Annotee is apparently not putting an ended time on some annotation protos.
-	// This hack will ensure that a finished build will always have an ended time.
-	if as.cs.Finished && as.cs.Step.Ended == nil {
-		as.cs.Step.Ended = google.NewTimestamp(latestEndedTime)
-	}
-
 	// Marshal and cache the step. If this is the final protobuf in the stream,
 	// cache it indefinitely; otherwise, cache it for intermediateCacheLifetime.
 	//