Revert "adb: close ep0 on disconnection."

This reverts commit 69e97e4bee9ee43ef55d1bb205bc4ca065d089bc.

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