DO NOT MERGE: adb: use asocket\\\\\\'s close function when closing. am: 83cb3032d2  -s ours am: 420aa30c9f am: 05d5db2534 am: 8ec6f5b46f  -s ours am: f5592e174e
am: d99c745c31

Change-Id: I1b615a3910580ae7f78b038b18b969c196fabe1e