USD: Add test coverage for parent-child transforms during animation

Makes use of recently added test data to ensure proper handling of child
objects, with animated transform constraints, parented to other objects
who also have animated transform constraints.

Also uses the `colored_print` module to better segment the test output.

Pull Request: https://projects.blender.org/blender/blender/pulls/133600

tests/python/modules/colored_print.py

@@ -36,9 +36,9 @@ def print_message(message, type=None, status=''):
     elif status == 'OK':
         status_text = "       OK "
     elif status == 'PASSED':
-        status_text = "  PASSED  "
+        status_text = " PASSED   "
     elif status == 'FAILED':
-        status_text = "  FAILED  "
+        status_text = " FAILED   "
     else:
         status_text = status
     if status_text: