The following revision refers to this bug:
  https://chromium.googlesource.com/infra/infra/+/33ed58d9a1a62e27d5fc254cb1130b8d643e3a1c

commit 33ed58d9a1a62e27d5fc254cb1130b8d643e3a1c
Author: Emma <emso@chromium.org>
Date: Mon Sep 18 05:31:43 2017

Adds missing propagation of progress.

Bug:764208
Change-Id: I0a20ce6ce6776ca830ea1519e4ddad7c52be7d02
Reviewed-on: https://chromium-review.googlesource.com/662777
Commit-Queue: Emma Söderberg <emso@chromium.org>
Reviewed-by: Marc-Antoine Ruel <maruel@chromium.org>

[modify] https://crrev.com/33ed58d9a1a62e27d5fc254cb1130b8d643e3a1c/go/src/infra/tricium/appengine/tracker/rpc_workflow_launched_test.go
[modify] https://crrev.com/33ed58d9a1a62e27d5fc254cb1130b8d643e3a1c/go/src/infra/tricium/appengine/tracker/rpc_worker_done.go
[modify] https://crrev.com/33ed58d9a1a62e27d5fc254cb1130b8d643e3a1c/go/src/infra/tricium/appengine/tracker/rpc_worker_done_test.go
[modify] https://crrev.com/33ed58d9a1a62e27d5fc254cb1130b8d643e3a1c/go/src/infra/tricium/appengine/frontend/rpc_progress.go
[modify] https://crrev.com/33ed58d9a1a62e27d5fc254cb1130b8d643e3a1c/go/src/infra/tricium/appengine/tracker/rpc_workflow_launched.go