[Android] Move printing test to the correct package.

[Android] Move printing test to the correct package.

PrintingControllerTest was faking being in org.chromium.printing package.
Move to org.chromium.chrome.browser.printing package where it actually lives.

BUG=None

Committed: https://crrev.com/e611c41f789a3823bf5e3de57e2bb585e0f67ac6
Cr-Commit-Position: refs/heads/master@{#297346}

[aurimas (slooooooooow), 2014-09-30 01:32:18]

aurimas@chromium.org changed reviewers:
+ yfriedman@chromium.org

[aurimas (slooooooooow), 2014-09-30 01:32:19]

yfriedman: PTAL

[Yaron, 2014-09-30 01:49:58]

lgtm

[aurimas (slooooooooow), 2014-09-30 02:11:43]

The CQ bit was checked by aurimas@chromium.org

[commit-bot: I haz the power, 2014-09-30 02:13:08]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/618553002/1

[commit-bot: I haz the power, 2014-09-30 02:48:34]

Committed patchset #1 (id:1) as d3a4fdfa8258bf94c713658fda12bfb6fa57c141

[commit-bot: I haz the power, 2014-09-30 02:49:30]

Patchset 1 (id:??) landed as
https://crrev.com/e611c41f789a3823bf5e3de57e2bb585e0f67ac6
Cr-Commit-Position: refs/heads/master@{#297346}