Disambiguate between camera compat treatments in config.

Child changes add config for the "simulate requested orientation" treatment (aka 'camera compat freeform')

Flag: EXEMPT small refactoring
Bug: 425491882
Test: atest WmTests:AppCompatCameraOverridesTest
Test: atest WmTests:ActivityRefresherTests
Test: atest WmTests:AppCompatAspectRatioOverridesTest
Test: atest WmTests:AppCompatCameraStateStrategyForPackageTests
Test: atest WmTests:AppCompatCameraStateStrategyForTaskTests
Test: atest WmTests:AppCompatOrientationPolicyTest
Test: atest WmTests:CameraCompatFreeformPolicyTests
Test: atest WmTests:CameraStateMonitorTests
Change-Id: I7c82f4f47ae840bbc45f040a8c798b33c24cb8fb