Report battery current to check charging/discharging of system Change-Id: I49705758992c9d21529a2e3f7874b990c7474d1b Signed-off-by: hank_lee <hank_lee@asus.com> Signed-off-by: alan_lu <alan_lu@asus.com> Signed-off-by: Iliyan Malchev <malchev@google.com>