Expect files writable as 'power' for power_manager

BUG=chromium-os:36888, chromium-os:36812
TEST=security_StatefulPermissions autotest passes on link/ToT

Change-Id: Iae804d86fd393a046d3b02d48113a2b068fbf2e2
Reviewed-on: https://gerrit.chromium.org/gerrit/39416
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Tested-by: Jim Hebert <jimhebert@chromium.org>
Commit-Ready: Jim Hebert <jimhebert@chromium.org>
1 file changed