Added StrategySelectionRequest

Added a new request object to abstract out the contract between
DisplayBrightnessController and DisplayBrightnessStrategySelector. We
expect to add more arguments to this object with the introduction of
AutomaticBrightnessStrategy under the strategy interface

Bug: 327578647
Test: com.android.server.display
Change-Id: I8359c0c9c65c0944c1bf5976452448e39bc461b7
5 files changed