[Android] Fix a bug in download manager that spinner shows forever

[Android] Fix a bug in download manager that spinner shows forever

If the backend initializes synchronously, the loading view will call
hideLoadingUi() and then showLoadingUi(), which makes the loading view
always visible.

BUG=641262
Committed: https://crrev.com/c9d62a58d87453ae177a12dcf9fa9791243fd058
Cr-Commit-Position: refs/heads/master@{#415445}

[Ian Wen, 2016-08-30 20:59:17]

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

[Ian Wen, 2016-08-30 20:59:17]

PTAL

[gone, 2016-08-30 21:02:42]

lgtm

[Ian Wen, 2016-08-30 21:03:14]

The CQ bit was checked by ianwen@chromium.org

[commit-bot: I haz the power, 2016-08-30 21:03:48]

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, 2016-08-30 21:51:07]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-08-30 21:53:54]

Description was changed from

==========
[Android] Fix a bug in download manager that spinner shows forever

If the backend initializes synchronously, the loading view will call
hideLoadingUi() and then showLoadingUi(), which makes the loading view
always visible.

BUG=641262
==========

to

==========
[Android] Fix a bug in download manager that spinner shows forever

If the backend initializes synchronously, the loading view will call
hideLoadingUi() and then showLoadingUi(), which makes the loading view
always visible.

BUG=641262

Committed: https://crrev.com/c9d62a58d87453ae177a12dcf9fa9791243fd058
Cr-Commit-Position: refs/heads/master@{#415445}
==========

[commit-bot: I haz the power, 2016-08-30 21:53:55]

Patchset 1 (id:??) landed as
https://crrev.com/c9d62a58d87453ae177a12dcf9fa9791243fd058
Cr-Commit-Position: refs/heads/master@{#415445}