This reverts commit cae4656d4a7439e25160ff4d94e50949ff87cebe.
Reason for revert: Breaks downstream build (missing INSTANTIATE_TEST_SUITE_P in pc/data_channel_integrationtest.cc).
Original change's description:
> Split peer_connection_integrationtest.cc into pieces
>
> This creates two integration tests: One for datachannel, the other
> for every test that is not datachannel.
>
> It separates out the common framework to a new file in pc/test.
> Also applies some fixes to IWYU.
>
> Bug: None
> Change-Id: I919def1c360ffce205c20bec2d864aad9b179c3a
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/207060
> Reviewed-by: Henrik Boström <hbos@webrtc.org>
> Commit-Queue: Harald Alvestrand <hta@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#33244}
TBR=hbos@webrtc.org,hta@webrtc.org
# Not skipping CQ checks because original CL landed > 1 day ago.
No-Try: True
Bug: None
Change-Id: I7dbedd3256cb7ff47eb5f8cd46c7c044ed0aa1e0
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/207283
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#33255}
8644f2b763