[Android] Fix geolocation infobar tests

[Android] Fix geolocation infobar tests

These tests now mock out the system location setting as being enabled,
which allows them to succeed even on devices where system location is
disabled.

BUG=449341
Committed: https://crrev.com/aac03830c5940164c7beab7142a4ed444f35bef7
Cr-Commit-Position: refs/heads/master@{#311857}

[newt (away), 2015-01-16 01:13:12]

newt@chromium.org changed reviewers:
+ nyquist@chromium.org

[newt (away), 2015-01-16 01:13:13]

PTAL

[nyquist, 2015-01-16 07:20:39]

The CQ bit was checked by nyquist@chromium.org

[nyquist, 2015-01-16 07:20:39]

lgtm

[commit-bot: I haz the power, 2015-01-16 07:21:08]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/855543004/1

[commit-bot: I haz the power, 2015-01-16 08:19:30]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-01-16 08:20:17]

Patchset 1 (id:??) landed as
https://crrev.com/aac03830c5940164c7beab7142a4ed444f35bef7
Cr-Commit-Position: refs/heads/master@{#311857}