Disable WebRtcVideoChannel2BaseTest.AddRemoveCapturer because it is flaky
Disable WebRtcVideoChannel2BaseTest.AddRemoveCapturer because it is flaky

BUG=webrtc:6006
TBR=solenberg@webrtc.org

Review URL: https://codereview.webrtc.org/2068983006 .

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#13158}

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