In system_wrappers, two build targets depended on the Chromium's //third_party/webrtc_overides folder. While this was acceptable before, now that the WebRTC component build is landed [1] it can create a path where parts of WebRTC get statically linked in Chromium. To avoid this, this CL removes them and fixes the problem in //third_party/webrtc_overides. [1] - https://chromium-review.googlesource.com/c/chromium/src/+/1874722 Bug: webrtc:9419 Change-Id: I94c739d15eb974371af8087986cee03794f327dc Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/159862 Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#29852}