Facebook Android SDK 3.5 (see https://developers.facebook.com/android/change-log-3.x/)

Summary: Facebook Android SDK 3.5

Test Plan: - Release testing

Reviewers: mingfli

Reviewed By: mingfli

CC: platform-diffs@lists, subodh, dreiss

Differential Revision: https://phabricator.fb.com/D935263
Merge remote-tracking branch 'facebook/master'

Conflicts:
	facebook/src/com/facebook/NativeProtocol.java
Removed iml, samples and .idea. Tweaked build.gradle to use support library from Maven