[4/n] TransparentPolicy Tests Refactoring

Refactor all transparent activities tests into TransparentpolicyTest
removing them from SizeCompatTests.

Bug: 337346942
Bug: 344587983
Flag: EXEMPT refactor
Test: atest WmTests:SizeCompatTests
Test: atest WmTests:TransparentPolicyTest

Change-Id: Ifd0e00bf66f9305d5dca62640d02ca63be79b275
2 files changed