Disable AudioCodingModuleMtTest due to memcheck and tsan failures.

This is a new test; the failures are not due to a change in underlying code.

TBR=henrik.lundin
BUG=3426

Review URL: https://webrtc-codereview.appspot.com/19589005

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@6288 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed