Add @TargetApi annotation to ChromeUsbInterface.getAlternateSetting

Add @TargetApi annotation to ChromeUsbInterface.getAlternateSetting

This annotation was missing. The native side only calls this method if
the API version is greater than or equal to 21 (Lolipop).

BUG=635567
Review-Url: https://codereview.chromium.org/2857663003
Cr-Commit-Position: refs/heads/master@{#468869}
Committed: https://chromium.googlesource.com/chromium/src/+/f8bfab30bb6ee9f95277a16ee02bc930da2b2a2a

[Reilly Grant (use Gerrit), 2017-05-03 01:05:53]

The CQ bit was checked by reillyg@chromium.org to run a CQ dry run

[Reilly Grant (use Gerrit), 2017-05-03 01:06:12]

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

[Reilly Grant (use Gerrit), 2017-05-03 01:06:12]

PTAL (trivial)

[commit-bot: I haz the power, 2017-05-03 01:06:40]

Dry run: CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[scheib, 2017-05-03 01:20:17]

lgtm

[Reilly Grant (use Gerrit), 2017-05-03 01:29:01]

The CQ bit was unchecked by reillyg@chromium.org

[Reilly Grant (use Gerrit), 2017-05-03 01:29:03]

The CQ bit was checked by reillyg@chromium.org

[commit-bot: I haz the power, 2017-05-03 01:29:43]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-05-03 01:58:47]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493774943584150, "parent_rev":
"ff96b24760d2323bb466fe431632e7c1a9fff9c6", "commit_rev":
"f8bfab30bb6ee9f95277a16ee02bc930da2b2a2a"}

[commit-bot: I haz the power, 2017-05-03 01:58:57]

Description was changed from

==========
Add @TargetApi annotation to ChromeUsbInterface.getAlternateSetting

This annotation was missing. The native side only calls this method if
the API version is greater than or equal to 21 (Lolipop).

BUG=635567
==========

to

==========
Add @TargetApi annotation to ChromeUsbInterface.getAlternateSetting

This annotation was missing. The native side only calls this method if
the API version is greater than or equal to 21 (Lolipop).

BUG=635567

Review-Url: https://codereview.chromium.org/2857663003
Cr-Commit-Position: refs/heads/master@{#468869}
Committed:
https://chromium.googlesource.com/chromium/src/+/f8bfab30bb6ee9f95277a16ee02b...
==========

[commit-bot: I haz the power, 2017-05-03 01:58:58]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/f8bfab30bb6ee9f95277a16ee02b...