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

* commit 'e8b1cfe7d4ba612749ff0912fd203403583d551c':
  adb: close ep0 on disconnection.

Change-Id: I9b9c5cd6b0501551afb13d53655d44e7cc400fc4