GitLab

white animation speed

Changes:
(1) shutdown_timer_ in TabletPowerButtonController changes from 1000ms to 500ms.
(2) animation_speed_shutdown is set to 2500ms for touch view enabled device case.

This change follows the new timing guideline in go/touchview-power.

BUG=633304
TEST=tested on device

Review-Url: https://codereview.chromium.org/2622103003
Cr-Commit-Position: refs/heads/master@{#443012}