Revert "adb: close ep0 on disconnection." am: 8c4076295e
am: e780adf0fe

* commit 'e780adf0fea32e0b99fbf0078f5fcf23b20e73b3':
  Revert "adb: close ep0 on disconnection."

Change-Id: Ia3fb3d8b2470a8459360f780207a6cbfe39f572d