[Android] Handle null values in BuildInfo.

[Android] Handle null values in BuildInfo.

In some emulator environments, BuildInfo constants can be null.

BUG=601081
Committed: https://crrev.com/442dab7d080bd180f1aa70da966c78eedd7e4c88
Cr-Commit-Position: refs/heads/master@{#385509}

[Bernhard Bauer, 2016-04-06 17:24:51]

bauerb@chromium.org changed reviewers:
+ torne@chromium.org

[Bernhard Bauer, 2016-04-06 17:24:51]

Please review. Thanks!

[Torne, 2016-04-06 17:44:51]

lgtm

[Bernhard Bauer, 2016-04-06 18:00:38]

The CQ bit was checked by bauerb@chromium.org

[commit-bot: I haz the power, 2016-04-06 18:01:13]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1866023002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1866023002/1

[commit-bot: I haz the power, 2016-04-06 18:42:20]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-06 18:43:59]

Description was changed from

==========
[Android] Handle null values in BuildInfo.

In some emulator environments, BuildInfo constants can be null.

BUG=601081
==========

to

==========
[Android] Handle null values in BuildInfo.

In some emulator environments, BuildInfo constants can be null.

BUG=601081

Committed: https://crrev.com/442dab7d080bd180f1aa70da966c78eedd7e4c88
Cr-Commit-Position: refs/heads/master@{#385509}
==========

[commit-bot: I haz the power, 2016-04-06 18:44:00]

Patchset 1 (id:??) landed as
https://crrev.com/442dab7d080bd180f1aa70da966c78eedd7e4c88
Cr-Commit-Position: refs/heads/master@{#385509}