Fix dumpPowerState method

dumpPowerState method shows the current power manger service state but,
BUTTON_BRIGHT_BIT is omitted.

Add a routine of checking BUTTON_BRIGHT_BIT
Signed-off-by: jaiyoung.park <jaiyoung.park@lge.com>

Change-Id: I00484fb384963bafdc58ce89b3251a1f5585d992
1 file changed