power: Make AIDL HAL mandatory for new devices

Makes the AIDL Power HAL mandatory for new devices. As almost all of
the power hints are already optional, this is effectively just
requiring FIXED_PERFORMANCE mode, which is necessary for game tuning
and performance profiling.

Bug: 136285293
Test: N/A
Change-Id: Ie4c01f13661b2388d8c905159d957f9996c41ee6