Revert of Add screenshare perf tests with lossy links (patchset #1 id:1 of https://codereview.webrtc.org/1409513005/ )
Revert of Add screenshare perf tests with lossy links (patchset #1 id:1 of https://codereview.webrtc.org/1409513005/ )

Reason for revert:
Reverting to see of this resolves build bot failures (Nexus 7.2, especially debug) which now seems to sometimes fail to start tests altogether.

Original issue's description:
> Add screenshare perf tests with lossy links
>
> BUG=
>
> Committed: https://crrev.com/4af0f1a098bc908cfe825981b825687673d5134a
> Cr-Commit-Position: refs/heads/master@{#10290}

TBR=pbos@webrtc.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review URL: https://codereview.webrtc.org/1415603002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#10322}

TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc