Add an XFail test for move-update with incoming property changes.

* subversion/tests/cmdline/update_tests.py
  (move_update_props): New test.
  (test_funcs): Add new test.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1439399 13f79535-47bb-0310-9956-ffa450edef68