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
Test: check that autorotate settings open
Flag: EXEMPT bugfix
Change-Id: I75f281e1abe18018d598c7fa2723bc79899b8039