factory_install: Use --flag=value for arguments to backlight_tool
With the switch to using chromeos::FlagHelper and base::CommandLine,
setting flags using "--flag value" for powerd tools is no longer
supported.
BUG=chromium:421244
TEST=none
Change-Id: I04f4523c24440556310d0be2afc9166ee8739a25
Reviewed-on: https://chromium-review.googlesource.com/222045
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Daniel Erat <derat@chromium.org>
Commit-Queue: Steve Fung <stevefung@chromium.org>
Tested-by: Steve Fung <stevefung@chromium.org>
1 file changed
