Removing NetEq's direct dependencies on Opus headers.

Neteq had a direct dependency on Chromium/third_party/opus. This should be relayed by target webrtc_opus.

BUG=
R=henrik.lundin@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/42529004

Cr-Commit-Position: refs/heads/master@{#8567}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8567 4adac7df-926f-26a2-2b94-8c16560cd09d
3 files changed