Merge "adb: close ep0 on disconnection." into nyc-dev am: fcab9a8507 am: 8fc9d25841
am: 97f200a336

* commit '97f200a3366ad49e1f9da56a93f53d16bdae69e7':
  adb: close ep0 on disconnection.

Change-Id: Ica05a308c2d5a27fd3b4ad56b3a4c23407d3c4c3