Disable FieldTrials/CallOperationEndToEndTest.TransmitsFirstFrame/2 due to flakiness.
Disable FieldTrials/CallOperationEndToEndTest.TransmitsFirstFrame/2 due to flakiness.

TBR=c24d1bc144eb7c11e553f59153fa17dba85ca83e@webrtc.org

Bug: webrtc:9060
Change-Id: I78e552dc066e628acf6ebea982f33e4e68e562e6
Reviewed-on: https://webrtc-review.googlesource.com/64443
Commit-Queue: Rasmus Brandt <9545de3a34b925a736ae2b5ee593f3033f743a28@webrtc.org>
Reviewed-by: Sebastian Jansson <c24d1bc144eb7c11e553f59153fa17dba85ca83e@webrtc.org>
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#22596}
TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc