Due to https://codereview.chromium.org/1397493004 we're now adding
a build_overrides directory in WebRTC. Thanks to this, we no longer
need to pass --args="build_with_chromium=false" when running GN in
standalone WebRTC.
Change log: c089d37..159828f
Full diff: c089d37..159828f
No dependencies changed.
No update to Clang.
BUG=webrtc:5070,chromium:541791
TBR=tommi@webrtc.org
CQ_EXTRA_TRYBOTS=tryserver.webrtc:win_baremetal,mac_baremetal,linux_baremetal
Review URL: https://codereview.webrtc.org/1403453003 .
Cr-Commit-Position: refs/heads/master@{#10270}