GitLab

Create ARC server socket in chrome instead of in session_manager.

BUG=b:119447298
TEST=Ensure container starts up

Change-Id: I6207f16fd6cfaa5a9eface6cf1ae6806c053157b
Reviewed-on: https://chromium-review.googlesource.com/c/1343046
Commit-Queue: Christopher Morin <cmtm@google.com>
Reviewed-by: Hidehiko Abe <hidehiko@chromium.org>
Reviewed-by: Yusuke Sato <yusukes@chromium.org>
Reviewed-by: Dan Erat <derat@chromium.org>
Cr-Commit-Position: refs/heads/master@{#610198}