Localise the regular expressions that AutoFill uses.

Improve the AutoFill experience on non-English web pages
by using localised regular expressions.

This essentially cherry picks the localised strings from
Chromium CL:
http://codereview.chromium.org/6113005

Requires a change in external/chromium, see:
Ie927514cae7b7390c5a291dfae4dcfe3782bb5b7

Change-Id: I9c0544e67bf0333abcb9ea607855ff92f69bff8e