testplans: Add requires_restart to Scenario proto

BUG=chromium:1058711
TEST=./gen

Change-Id: I6def7d74b3d327db22f977b38457b8a61f302cba
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2088689
Tested-by: Dhanya Ganesh <dhanyaganesh@chromium.org>
Auto-Submit: Dhanya Ganesh <dhanyaganesh@chromium.org>
Reviewed-by: David Burger <dburger@chromium.org>
Commit-Queue: David Burger <dburger@chromium.org>
2 files changed