Add crosvm to the video group

Add crosvm to the video group since it needs access to DRM devices.

BUG=chromium:837209
CQ-DEPEND=CL:1034087
TEST=display-accts.py

Change-Id: I22fe7d922b4af3887ad7ae0d3a3081882a0fbb8f
Reviewed-on: https://chromium-review.googlesource.com/1034222
Commit-Ready: David Reveman <reveman@chromium.org>
Tested-by: David Reveman <reveman@chromium.org>
Reviewed-by: Dylan Reid <dgreid@chromium.org>
diff --git a/profiles/base/accounts/group/video b/profiles/base/accounts/group/video
index e14cf6f..47fcd9c 100644
--- a/profiles/base/accounts/group/video
+++ b/profiles/base/accounts/group/video
@@ -2,4 +2,4 @@
 gid:27
 # Modifying users here might be overwritten by freon overlay.
 # You probably want to modify both here and freon.
-users:root,chronos,arc-camera,xorg,dlm,rtanalytics
+users:root,chronos,arc-camera,xorg,dlm,rtanalytics,crosvm