As of https://webrtc-review.googlesource.com/c/src/+/332200, socket is
no longer pure virtual and needs to be exported for Chromium component
build tests.
Bug: webrtc:15368
Change-Id: I3d2fcd329bc859d07106ae740eb2791eccaea1f9
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/334060
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Per Kjellander <perkj@webrtc.org>
Auto-Submit: Per Kjellander <perkj@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#41504}