Without this file, the Framework can't be used by Swift projects.
Bug: webrtc:9142
Change-Id: I8803ec8b194dc116e133257e205f4620bb34a692
Reviewed-on: https://webrtc-review.googlesource.com/c/103340
Commit-Queue: Patrik Höglund <phoglund@webrtc.org>
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Reviewed-by: Anders Carlsson <andersc@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25047}
