adb: don't immediately close a socket when write fails. When we fail to write to a local socket peer, we might still have data queued up to send to the other side. Defer closing the socket until we've failed to both read and write. Bug: http://b/74616284 Test: python test_device.py Change-Id: Ifc4b8fe95369b4872e475c2ae4ee611dd2d8b9d7 (cherry picked from commit 4b80850ae52fe0b7006b05518aa04aa623842f0c)