Niels Möller e8fd57c335 Move EventWrapper to its own build target
With visibility restricted to modules/video_coding/.
Also drop some unneeded dependencies on system_wrappers.

Bug: webrtc:3380
Change-Id: If3b64396953a026bede09c9fb5eb06cfc4c29f3a
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/130104
Reviewed-by: Rasmus Brandt <brandtr@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27344}
2019-03-28 15:04:42 +00:00
..
2018-07-17 14:46:15 +00:00
2019-01-30 13:03:37 +00:00
2019-01-30 13:03:37 +00:00
2018-01-26 10:59:56 +00:00