dlx: Update command line syntax for sdcard service

Change-Id: I36ceaabde380cb8281400da8b17ce0b4b8e14f0d
dlx: Fix deprecated USB syntax

Change-Id: I4f32a6553de0093e737e05da57bbfc86472447c0
Merge changes I4f32a655,I36ceaabd into cm-11.0

* changes:
  dlx: Fix deprecated USB syntax
  dlx: Update command line syntax for sdcard service