Respect the absence of FLAG_ROTATES_WITH_CONTENT.

When creating virtual displays without this flag, they should not
rotate when the content changes its requested orientation, but
instead should apply letterbox or pillarbox transformation.

Bug: 292473307
Test: atest DisplayRotationTests
Test: atest LogicalDisplayTest
Test: atest DisplayManagerServiceTest
Change-Id: Ie12d5e93626ebc298ab71e8634e4e50bb70d49da