Browser: add duckduckgo search enginge to RU locale

Requested in JIRA CYAN-3875

Change-Id: Ia3fcf0f491958111660ada41b9bbeae73f8ac27c
Signed-off-by: Roman Birg <romanbirg@gmail.com>
Automatic translation import

Change-Id: Id4e9b805e8706b682a1b226bbf915e22f9579e76
Merge remote-tracking branch 'cm11/cm-11.0' into kk-4.4.3