Add a get to the move_chrome_device_org_unit method because moving devices into new org units does not fail in the directory api if the device does not exist.
Add a get to the move_chrome_device_org_unit method because moving devices into new org units does not fail in the directory api if the device does not exist.

PiperOrigin-RevId: 197612917

google/loaner,google/loaner,google/loaner,google/loaner,google/loaner