[44/n] Simplify AppCompatAspectRatioPolicy naming

Flag: EXEMPT Refactoring
Bug: 360865550
Test: aest WmTests:ActivityRecordTests
Test: aest WmTests:AppCompatLetterboxPolicyTest
Test: aest WmTests:AppCompatOrientationOverridesTest
Test: aest WmTests:AppCompatOrientationPolicyTest
Test: aest WmTests:AppCompatUtilsTest
Test: aest WmTests:DualDisplayAreaGroupPolicyTest
Test: aest WmTests:RootWindowContainerTests
Test: aest WmTests:SizeCompatTests
Test: aest WmTests:TaskFragmentTest

Change-Id: I832d9ee39724dec1d8c09c44ecbf07b39debb923