am ac2347c0: am 158fa952: am df9b13af: am 74d85949: am e05f7143: Check for special char when renaming device for Wi-Fi direct.

* commit 'ac2347c0bf3c2b9c2ff7d8e2abe0a38d861495c4':
  Check for special char when renaming device for Wi-Fi direct.