Fastbootd: socket and network transport

Change-Id: I395e5361d0484bd11421225c152f9aec00305f11
diff --git a/fastbootd/transport.c b/fastbootd/transport.c
index 01a5a8a..19a705c 100644
--- a/fastbootd/transport.c
+++ b/fastbootd/transport.c
@@ -99,6 +99,7 @@
         }
         if (ret > 0) {
             buffer[ret] = 0;
+            //TODO: multiple threads
             protocol_handle_command(phandle, buffer);
         }
     }