Avoid hardcoding wikipedia.org domain for APIs

Authored by santhosh on Aug 29 2017, 7:25 AM.

Description

Avoid hardcoding wikipedia.org domain for APIs

Make the host configurable. Defaults to {lang}.wikipedia.org

Bug: T172075
Change-Id: I8196b70280a9d2b756c1a4b2e877288d79ce3fa7