[Android] Minor fixes for device_status_check.

[Android] Minor fixes for device_status_check.

This includes:
 - catching IOError on failure to reset USB
 - adding newlines to the bot status output

BUG=

Committed: https://crrev.com/46e0c7d3fd1f7a484f6319240f120378b4c48cd3
Cr-Commit-Position: refs/heads/master@{#347713}

[jbudorick, 2015-09-08 14:52:18]

jbudorick@chromium.org changed reviewers:
+ rnephew@chromium.org

[rnephew (Reviews Here), 2015-09-08 14:56:28]

On 2015/09/08 14:52:18, jbudorick wrote:

lgtm

[jbudorick, 2015-09-08 15:02:01]

The CQ bit was checked by jbudorick@chromium.org

[commit-bot: I haz the power, 2015-09-08 15:02:13]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1314123005/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1314123005/1

[commit-bot: I haz the power, 2015-09-08 16:21:15]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-09-08 16:22:04]

Patchset 1 (id:??) landed as
https://crrev.com/46e0c7d3fd1f7a484f6319240f120378b4c48cd3
Cr-Commit-Position: refs/heads/master@{#347713}