Merge changes Ib17f0a55,Ia5bbae6b,I339d42fc into nyc-dev
am: 7bbb4a0c49

* commit '7bbb4a0c49d22f19a19fae594706e73c06ad3b42':
  fastboot: fix TCP protocol version check.
  fastboot: add UDP protocol.
  fastboot: add Socket timeout detection.