[logdog] Fix tumble queue backend.

[logdog] Fix tumble queue backend.

The "tumble" task queue should have pointed its requests to the backend
module. This was an error transposing it from "luci-deploy"
configurations.

TBR=hinoka@chromium.org
BUG=None
TEST=None

Review-Url: https://codereview.chromium.org/2988393002
Committed: https://github.com/luci/luci-go/commit/566e3edf53ab30546bc280d6d4e6b188414f2325

[dnj, 2017-08-03 02:48:39]

The CQ bit was checked by dnj@chromium.org

[commit-bot: I haz the power, 2017-08-03 02:48:42]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-08-03 02:52:34]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1501728519496170, "parent_rev":
"31b62d1f3adcb115016e445192828829ae3ef081", "commit_rev":
"566e3edf53ab30546bc280d6d4e6b188414f2325"}

[commit-bot: I haz the power, 2017-08-03 02:52:37]

Description was changed from

==========
[logdog] Fix tumble queue backend.

The "tumble" task queue should have pointed its requests to the backend
module. This was an error transposing it from "luci-deploy"
configurations.

TBR=hinoka@chromium.org
BUG=None
TEST=None
==========

to

==========
[logdog] Fix tumble queue backend.

The "tumble" task queue should have pointed its requests to the backend
module. This was an error transposing it from "luci-deploy"
configurations.

TBR=hinoka@chromium.org
BUG=None
TEST=None

Review-Url: https://codereview.chromium.org/2988393002
Committed:
https://github.com/luci/luci-go/commit/566e3edf53ab30546bc280d6d4e6b188414f2325
==========

[commit-bot: I haz the power, 2017-08-03 02:52:38]

Committed patchset #1 (id:1) as
https://github.com/luci/luci-go/commit/566e3edf53ab30546bc280d6d4e6b188414f2325