Check Android version before calling UsbInterface.getAlternateSetting()

Check Android version before calling UsbInterface.getAlternateSetting()

This method (and support for alternate interface settings in general)
was only added in API level 21. We must assume that only the default
alternate interface will be reported in older API levels.

BUG=617032
Committed: https://crrev.com/03b3611b4ad95a5b3f9e21c70f9327ad0a29f10b
Cr-Commit-Position: refs/heads/master@{#397849}

[Reilly Grant (use Gerrit), 2016-06-03 22:32:33]

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

[Reilly Grant (use Gerrit), 2016-06-03 22:32:34]

Please take a look.

[juncai, 2016-06-03 23:04:15]

LGTM.

[Reilly Grant (use Gerrit), 2016-06-03 23:06:33]

The CQ bit was checked by reillyg@chromium.org

[commit-bot: I haz the power, 2016-06-03 23:07:12]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2041553002/1

[commit-bot: I haz the power, 2016-06-03 23:59:29]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-04 00:01:21]

Description was changed from

==========
Check Android version before calling UsbInterface.getAlternateSetting()

This method (and support for alternate interface settings in general)
was only added in API level 21. We must assume that only the default
alternate interface will be reported in older API levels.

BUG=617032
==========

to

==========
Check Android version before calling UsbInterface.getAlternateSetting()

This method (and support for alternate interface settings in general)
was only added in API level 21. We must assume that only the default
alternate interface will be reported in older API levels.

BUG=617032

Committed: https://crrev.com/03b3611b4ad95a5b3f9e21c70f9327ad0a29f10b
Cr-Commit-Position: refs/heads/master@{#397849}
==========

[commit-bot: I haz the power, 2016-06-04 00:01:22]

Patchset 1 (id:??) landed as
https://crrev.com/03b3611b4ad95a5b3f9e21c70f9327ad0a29f10b
Cr-Commit-Position: refs/heads/master@{#397849}