Disable flaky test WebRtcMediaStreamTrackAdapterTest.LocalVideoTrack.

Bug: 982200
Change-Id: I68547d2d5b097ab0fd816e44ca548a0024acec70
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1692223Reviewed-by: Sergey Ulanov <sergeyu@chromium.org>
Commit-Queue: Matt Falkenhagen <falken@chromium.org>
Cr-Commit-Position: refs/heads/master@{#675841}

content/renderer/media/webrtc/webrtc_media_stream_track_adapter_unittest.cc

@@ -141,7 +141,8 @@ TEST_F(WebRtcMediaStreamTrackAdapterTest, LocalAudioTrack) {
       track_adapter_->webrtc_track());
 }
 
-TEST_F(WebRtcMediaStreamTrackAdapterTest, LocalVideoTrack) {
+// Flaky, see https://crbug.com/982200.
+TEST_F(WebRtcMediaStreamTrackAdapterTest, DISABLED_LocalVideoTrack) {
   track_adapter_ = WebRtcMediaStreamTrackAdapter::CreateLocalTrackAdapter(
       dependency_factory_.get(), main_thread_, CreateLocalVideoTrack());
   EXPECT_TRUE(track_adapter_->is_initialized());