Increase allowed jitter buffer size in ScenarioAnalyzerTest.PsnrIsLowWhenNetworkIsBad.
Increase allowed jitter buffer size in ScenarioAnalyzerTest.PsnrIsLowWhenNetworkIsBad.

Change-Id: I6f3d7ce9d8c3821b824a95c8d3c6e913d8051127
Bug: none
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/152484
Reviewed-by: Sebastian Jansson <c24d1bc144eb7c11e553f59153fa17dba85ca83e@webrtc.org>
Commit-Queue: Jakob Ivarsson <9ca81c2aa4aa86256fc426d7d57eed586c9fd3ac@webrtc.org>
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#29156}

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