Move SurfaceControl Brightness calls into LocalDisplayAdapter

- Move SurfaceControl.setBrightness from LightsService to
LocalDisplayAdapter
- Create BrightnessAdapter to switch between setBrightness
implementations

Bug: 170954431
Test: manually check that brightness works when set on each display.
Test: atest LocalDisplayAdapterTest
Change-Id: I49c50e0d8016c383c21580bccd1dbf444153c5a5
3 files changed