Harald Alvestrand 8fa48f459d Revert "Change FakeMediaEngine to use send/receive channels"
This reverts commit 70429d45a64a79300471001214e0a543928f29d0.

Reason for revert: Needed to unblock another rollback.

Original change's description:
> Change FakeMediaEngine to use send/receive channels
>
> Also update the tests that depend on FakeMediaEngine.
>
> Bug: webrtc:13931
> Change-Id: Ia608c4ce68a29e45174b68ba0103af31e9a7d3d1
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/294280
> Reviewed-by: Henrik Boström <hbos@webrtc.org>
> Commit-Queue: Harald Alvestrand <hta@webrtc.org>
> Cr-Commit-Position: refs/heads/main@{#39345}

Bug: webrtc:13931
Change-Id: I975ed0edc0a9a4a44efec1d37202f33b40134be1
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/295680
Commit-Queue: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39430}
2023-03-01 10:13:41 +00:00
..
2022-01-18 13:46:37 +00:00