Fix a bug that downloaded file is added twice to Android DownloadManager

Fix a bug that downloaded file is added twice to Android DownloadManager on N+

BUG=662239
Committed: https://crrev.com/0cc70b6bdd6f8988ca39a33cde38e917f0e68162
Cr-Commit-Position: refs/heads/master@{#429769}

[qinmin, 2016-11-04 00:11:17]

Description was changed from

==========
Fix a bug that downloaded file is added twice to Android DownloadManager

BUG=662239
==========

to

==========
Fix a bug that downloaded file is added twice to Android DownloadManager on N+

BUG=662239
==========

[qinmin, 2016-11-04 00:12:25]

qinmin@chromium.org changed reviewers:
+ dfalcantara@chromium.org

[qinmin, 2016-11-04 00:12:26]

PTAL

[gone, 2016-11-04 01:06:16]

lgtm

[qinmin, 2016-11-04 01:50:48]

The CQ bit was checked by qinmin@chromium.org

[commit-bot: I haz the power, 2016-11-04 01:51:34]

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, 2016-11-04 02:29:57]

Description was changed from

==========
Fix a bug that downloaded file is added twice to Android DownloadManager on N+

BUG=662239
==========

to

==========
Fix a bug that downloaded file is added twice to Android DownloadManager on N+

BUG=662239
==========

[commit-bot: I haz the power, 2016-11-04 02:29:57]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-11-04 02:31:30]

Description was changed from

==========
Fix a bug that downloaded file is added twice to Android DownloadManager on N+

BUG=662239
==========

to

==========
Fix a bug that downloaded file is added twice to Android DownloadManager on N+

BUG=662239

Committed: https://crrev.com/0cc70b6bdd6f8988ca39a33cde38e917f0e68162
Cr-Commit-Position: refs/heads/master@{#429769}
==========

[commit-bot: I haz the power, 2016-11-04 02:31:31]

Patchset 1 (id:??) landed as
https://crrev.com/0cc70b6bdd6f8988ca39a33cde38e917f0e68162
Cr-Commit-Position: refs/heads/master@{#429769}