Revert "Check if toRotation != ROTATION_UNDEFINED before calling DisplayLayout.rotateTo"

This reverts commit 7a4ab528.

Reason for revert: <Potential culprit for b/389061737   - verifying through ABTD before revert submission. This is part of the standard investigation process, and does not mean your CL will be reverted>

Change-Id: Ic3c76c3c17964de6fa1a7bc3f9a9143c41a3152d