Facebook Android SDK 3.17.1

Summary: Facebook Android SDK 3.17.1 (see https://developers.facebook.com/docs/android/change-log-3.x/)

Test Plan: Built ZIP

Reviewers: jacl, clang, dmmiller, mingfli

Reviewed By: mingfli

Subscribers: dmmiller

Differential Revision: https://phabricator.fb.com/D1484992