zero: fixed and updated power-HAL
zero: fixed and updated power-HAL

Change-Id: Iaaa4654c605f367074ee390ea8fb8073420c2d1d

TeamNexus/android_device_samsung_zero-common,TeamNexus/android_device_samsung_zero-common,TeamNexus/android_device_samsung_zero-common,TeamNexus/android_device_samsung_zero-common,TeamNexus/android_device_samsung_zero-common