Facebook Android SDK 3.7

Summary: Facebook Android SDK 3.7 (see https://developers.facebook.com/docs/android/change-log-3.x/)

Test Plan: Built ZIP

Reviewers: clang

Reviewed By: clang

CC: glen, platform-diffs@lists

Differential Revision: https://phabricator.fb.com/D1183743
Facebook Android SDK 3.8

Summary: Facebook Android SDK 3.8 (see https://developers.facebook.com/docs/android/change-log-3.x/)

Test Plan: Built ZIP

Reviewers: mingfli

Reviewed By: mingfli

CC: subodh

Differential Revision: https://phabricator.fb.com/D1237186
Facebook Android SDK 3.14

Summary: Facebook Android SDK 3.14 (see https://developers.facebook.com/docs/android/change-log-3.x/)

Test Plan: Built ZIP

Reviewers: clang

Reviewed By: clang

CC: platform-diffs@lists

Differential Revision: https://phabricator.fb.com/D1303950
udpated FB version and gradle