Merge "adb: close ep0 on disconnection." am: 18013f2083 am: 3082ca20a0 am: e8b1cfe7d4
am: 71bf52be5a

* commit '71bf52be5a3f16711f28a9e956aa2703d82975c8':
  adb: close ep0 on disconnection.

Change-Id: I3390c20ca3e6238db98e37ff9dcc265ea263a633