Revert of Don't hardcode MediaType::ANY in FakeNetworkPipe.

Revert of Don't hardcode MediaType::ANY in FakeNetworkPipe. (patchset #4 id:60001 of https://codereview.webrtc.org/2774463003/ )

Reason for revert:
Reverting since this seems to break multiple WebRTC Perf buildbots

Original issue's description:
> Don't hardcode MediaType::ANY in FakeNetworkPipe.
> 
> Instead let each test set the appropriate media type. This simplifies
> demuxing in Call and later in RtpTransportController.
> 
> BUG=webrtc:7135
> 
> Review-Url: https://codereview.webrtc.org/2774463003
> Cr-Commit-Position: refs/heads/master@{#17418}
> Committed: https://chromium.googlesource.com/external/webrtc/+/9c47b00e24da2941eb095df5a4459c6d98a8a88d

TBR=stefan@webrtc.org,deadbeef@webrtc.org,solenberg@webrtc.org,pbos@webrtc.org,sprang@webrtc.org,nisse@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:7135
Review-Url: https://codereview.webrtc.org/2784543002
Cr-Commit-Position: refs/heads/master@{#17427}
Committed: https://chromium.googlesource.com/external/webrtc/+/3a3bd5061089da5327fc549337a8430054d66057

[lliuu, 2017-03-28 16:40:47]

The CQ bit was checked by lliuu@webrtc.org

[lliuu, 2017-03-28 16:40:47]

Created Revert of Don't hardcode MediaType::ANY in FakeNetworkPipe.

[commit-bot: I haz the power, 2017-03-28 16:40:52]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[commit-bot: I haz the power, 2017-03-28 16:41:00]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1490719247177110, "parent_rev":
"5db450d244c7ec6e7e37a0ac71f11232b6bbe82b", "commit_rev":
"3a3bd5061089da5327fc549337a8430054d66057"}

[commit-bot: I haz the power, 2017-03-28 16:41:02]

Description was changed from

==========
Revert of Don't hardcode MediaType::ANY in FakeNetworkPipe. (patchset #4
id:60001 of https://codereview.webrtc.org/2774463003/ )

Reason for revert:
Reverting since this seems to break multiple WebRTC Perf buildbots

Original issue's description:
> Don't hardcode MediaType::ANY in FakeNetworkPipe.
> 
> Instead let each test set the appropriate media type. This simplifies
> demuxing in Call and later in RtpTransportController.
> 
> BUG=webrtc:7135
> 
> Review-Url: https://codereview.webrtc.org/2774463003
> Cr-Commit-Position: refs/heads/master@{#17418}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/9c47b00e24da2941eb095df5a...

TBR=stefan@webrtc.org,deadbeef@webrtc.org,solenberg@webrtc.org,pbos@webrtc.or...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:7135
==========

to

==========
Revert of Don't hardcode MediaType::ANY in FakeNetworkPipe. (patchset #4
id:60001 of https://codereview.webrtc.org/2774463003/ )

Reason for revert:
Reverting since this seems to break multiple WebRTC Perf buildbots

Original issue's description:
> Don't hardcode MediaType::ANY in FakeNetworkPipe.
> 
> Instead let each test set the appropriate media type. This simplifies
> demuxing in Call and later in RtpTransportController.
> 
> BUG=webrtc:7135
> 
> Review-Url: https://codereview.webrtc.org/2774463003
> Cr-Commit-Position: refs/heads/master@{#17418}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/9c47b00e24da2941eb095df5a...

TBR=stefan@webrtc.org,deadbeef@webrtc.org,solenberg@webrtc.org,pbos@webrtc.or...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:7135

Review-Url: https://codereview.webrtc.org/2784543002
Cr-Commit-Position: refs/heads/master@{#17427}
Committed:
https://chromium.googlesource.com/external/webrtc/+/3a3bd5061089da5327fc54933...
==========

[commit-bot: I haz the power, 2017-03-28 16:41:03]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/3a3bd5061089da5327fc54933...

[nisse-webrtc, 2017-03-29 08:25:23]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.webrtc.org/2783853002/ by nisse@webrtc.org.

The reason for reverting is: Intend to fix perf failures and reland..