Revert of Deflake ChangingNetworkRoute test. (patchset #1 id:1 of https://codereview.webrtc.org/2426073002/ )

Reason for revert:
Breaks bots in the main waterfall.
Example:
https://build.chromium.org/p/client.webrtc/builders/Win32%20Debug/builds/9836

Original issue's description:
> Deflake ChangingNetworkRoute test.
>
> NOTRY=true
> BUG=webrtc:6551
>
> Committed: https://crrev.com/67118201fb0c73e38c5dd05cd920e7ebabc477f1
> Cr-Commit-Position: refs/heads/master@{#14764}

TBR=solenberg@webrtc.org,stefan@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:6551

Review-Url: https://codereview.webrtc.org/2445233005
Cr-Commit-Position: refs/heads/master@{#14765}
diff --git a/webrtc/video/video_send_stream_tests.cc b/webrtc/video/video_send_stream_tests.cc
index 20281a3..d138893 100644
--- a/webrtc/video/video_send_stream_tests.cc
+++ b/webrtc/video/video_send_stream_tests.cc
@@ -1274,7 +1274,7 @@
       // that we correctly ignore any packet loss reported prior to that id.
       ++new_route.local_network_id;
       call_->OnNetworkRouteChanged("transport", new_route);
-      EXPECT_GT(call_->GetStats().send_bandwidth_bps, kStartBitrateBps);
+      EXPECT_EQ(kStartBitrateBps, call_->GetStats().send_bandwidth_bps);
     }
 
    private: