Remove include_dirs from test.

BUG=1662
TEST=compile on trybots
R=kjellander@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/2304006

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@4858 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed