Update V1 of android.frameworks.automotive.powerpolicy.internal

I31cb706d4c7089ab13a4df902a42b5c50a5978b7 missed to add @hide to
ICarPowerPolicySystemNotification when freezeing the V1.

Bug: 190510913
Test: m
Change-Id: I7c10ebeaa5fcbfdec7fec30f91d9f6e80a504627
2 files changed