WebRTC internal headers are always included starting from the root
(e.g. #include "common_audio/..."), so there is no need to
specify the include_dirs removed by this CL.
Bug: webrtc:9538
Change-Id: Id2c070dad48c88dece3fea59e9dd0e64695ee298
Reviewed-on: https://webrtc-review.googlesource.com/89390
Reviewed-by: Oleh Prypin <oprypin@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24035}