Facebook for Android test build shows off flat UI and rearranged navigation

In a test build of its mobile software for Android devices, Facebook seems to be finally headed down the flat UI path that Twitter and a host of other apps have already traveled. Aside from that, navigation in this build has been shuffled around to make room for title text and a search icon according to the findings of the folks over at Android Police. Buttons for News Feed, friend requests, updates, notifications and the complete menu are situated just below with controls for both status and ph...