Modify FreeformWindowingModeTests#testNonResizeableActivityHasFullDisplayBounds to test for freeform windowing mode behaviour and re-enable the test.

Bug: 341070482
Test: atest CtsWindowManagerDeviceDisplay:FreeformWindowingModeTests
Change-Id: Iaa76deddc93ad58b85cd5d61bdf11c9ee53a2954
1 file changed