Revert "Disable video_capture_tests for Android." (revision 7023).

BUG=3768
R=glaznev@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/25559004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7210 4adac7df-926f-26a2-2b94-8c16560cd09d