Merge "adb: check return value of register_socket_transport." am: 3d981c87c9 am: 1a78ec8f65 am: bb89e7e6b5
am: bf955d7a4b

* commit 'bf955d7a4b5ab55af0920395b662e9912954607e':
  adb: check return value of register_socket_transport.

Change-Id: I18992a8f4a50f22a44e28105217c00997f16a248