Trigger use of viewportAndroid.css through new setting.

Trigger use of viewportAndroid.css through new setting.

A setting is used instead of an OS(ANDROID) ifdef in blink in [1]. This
CL enables that setting for Android on the chromium side along with other
Android specific settings.

[1] https://codereview.chromium.org/979033003/

Committed: https://crrev.com/d1677fd03abc26d747174dafb7124a42d505ae2e
Cr-Commit-Position: refs/heads/master@{#320251}

[rune, 2015-03-08 00:45:21]

rune@opera.com changed reviewers:
+ aelias@chromium.org

[aelias_OOO_until_Jul13, 2015-03-10 17:13:35]

aelias@chromium.org changed reviewers:
+ sievers@chromium.org

[aelias_OOO_until_Jul13, 2015-03-10 17:14:02]

lgtm, adding sievers@ for OWNERS

[no sievers, 2015-03-10 18:26:11]

lgtm

[rune, 2015-03-12 08:14:53]

The CQ bit was checked by rune@opera.com

[commit-bot: I haz the power, 2015-03-12 08:15:04]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/989963002/1

[commit-bot: I haz the power, 2015-03-12 09:02:02]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-12 09:02:31]

Patchset 1 (id:??) landed as
https://crrev.com/d1677fd03abc26d747174dafb7124a42d505ae2e
Cr-Commit-Position: refs/heads/master@{#320251}