Write the packaged USB gadget app in binary mode.

Write the packaged USB gadget app in binary mode.

On Windows binary files will be corrupted if they are not written in
binary mode.

BUG=

Committed: https://crrev.com/4d1bd58166ba82a9751ad8c66ccce6764922a14a
Cr-Commit-Position: refs/heads/master@{#308377}

[Reilly Grant (use Gerrit), 2014-12-13 00:40:58]

reillyg@chromium.org changed reviewers:
+ rockot@chromium.org

[Reilly Grant (use Gerrit), 2014-12-13 00:40:58]

Hey Ken, this is an easy one.

[Ken Rockot(use gerrit already), 2014-12-15 17:33:59]

On 2014/12/13 00:40:58, reillyg wrote:
> Hey Ken, this is an easy one.

lgtm

[Reilly Grant (use Gerrit), 2014-12-15 17:48:14]

The CQ bit was checked by reillyg@chromium.org

[commit-bot: I haz the power, 2014-12-15 17:50:24]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/799073005/1

[commit-bot: I haz the power, 2014-12-15 18:50:55]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-12-15 18:51:35]

Patchset 1 (id:??) landed as
https://crrev.com/4d1bd58166ba82a9751ad8c66ccce6764922a14a
Cr-Commit-Position: refs/heads/master@{#308377}