Use DeviceStateManager to detect foldable device instead of config.xml

Some devices like goldfish emulator might not configure
correct device states, even though they provided
foldable-specific configurations.

Skip initializing foldable-specific dependencies in DisplayRotation
if there are no foldable device states in the DeviceStateManager.

Bug: 418414850
Test: atest DisplayRotationTests DeviceStateControllerTests
Test: check that per device autorotate works on a foldable
Test: check that goldfish emulator boots
Flag: EXEMPT bugfix
Change-Id: Ia1244169678039c404c6467d5e8585e972fcd8ce