Fix the units for the draw_properties benchmark.

Fix the units for the draw_properties benchmark.

The dashboard is currently confused about which direction indicates an
improvement. This CL makes that explicit.

BUG=470272
Committed: https://crrev.com/e78bd6e3e47771060cd011ea42af8367320552bd
Cr-Commit-Position: refs/heads/master@{#325317}

[Ian Vollick, 2015-04-15 20:05:14]

vollick@chromium.org changed reviewers:
+ eakuefner@chromium.org

[eakuefner, 2015-04-15 20:07:26]

eakuefner@chromium.org changed reviewers:
+ dtu@chromium.org

[eakuefner, 2015-04-15 20:07:26]

+dtu OWNER

lgtm

[sullivan, 2015-04-15 20:27:13]

sullivan@chromium.org changed reviewers:
+ sullivan@chromium.org

[sullivan, 2015-04-15 20:27:13]

lgtm

[Ian Vollick, 2015-04-15 20:28:01]

The CQ bit was checked by vollick@chromium.org

[commit-bot: I haz the power, 2015-04-15 20:29:34]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1057823005/1

[dtu, 2015-04-15 20:32:14]

lgtm

[commit-bot: I haz the power, 2015-04-15 21:52:58]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-04-15 21:55:03]

Patchset 1 (id:??) landed as
https://crrev.com/e78bd6e3e47771060cd011ea42af8367320552bd
Cr-Commit-Position: refs/heads/master@{#325317}