Re-enable missing android tests disabled due to issue 3770.

BUG=3770
R=pbos@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/26519004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7238 4adac7df-926f-26a2-2b94-8c16560cd09d