Revert "adb: close ep0 on disconnection."

This reverts commit d86563be235583bdbbb24b01b90f5b7230a8a25f.

Bug: 28932120
Change-Id: I5e2569abed316c089886556c432bfe59bca08549
(cherry picked from commit 57de0514f0aeabe092ce3a122402721c93a70a2c)
1 file changed