mako: debug: disable lge_crash_handler

disable lge_crash_handler and enable subsystem_restart
defaultly. lge_crash_handler should be enabled before
stability test. to enable, type next line in the adb shell.

echo 1 > /sys/module/restart/parameters/download_mode

Change-Id: I36eab62ae9bdf3d194e0c0e98ce2b3ecd118572b