Facebook Android SDK 3.0.2 (see https://developers.facebook.com/android/change-log-3.x)

Summary:
    - Updating project structure to work with ADT v22.

Test Plan: Release testing

Reviewers: clang

Reviewed By: clang

CC: platform-diffs@lists

Differential Revision: https://phabricator.fb.com/D874918
Merge branch 'master' of https://github.com/facebook/facebook-android-sdk into james-dev
Merge pull request #4 from twotoasters/james-dev

James dev