Convert aos over to flatbuffers

Everything builds, and all the tests pass.  I suspect that some entries
are missing from the config files, but those will be found pretty
quickly on startup.

There is no logging or live introspection of queue messages.

Change-Id: I496ee01ed68f202c7851bed7e8786cee30df29f5
diff --git a/y2018/vision/BUILD b/y2018/vision/BUILD
index 8e5e950..7bcd402 100644
--- a/y2018/vision/BUILD
+++ b/y2018/vision/BUILD
@@ -1,4 +1,4 @@
-load("//aos/build:queues.bzl", "queue_library")
+load("@com_github_google_flatbuffers//:build_defs.bzl", "flatbuffer_cc_library")
 
 cc_binary(
     name = "image_streamer",
@@ -17,11 +17,12 @@
     ],
 )
 
-queue_library(
-    name = "vision_queue",
+flatbuffer_cc_library(
+    name = "vision_fbs",
     srcs = [
-        "vision.q",
+        "vision.fbs",
     ],
+    gen_reflections = 1,
     visibility = ["//visibility:public"],
 )
 
@@ -32,11 +33,10 @@
     ],
     visibility = ["//visibility:public"],
     deps = [
-        ":vision_queue",
+        ":vision_fbs",
         "//aos:init",
-        "//aos/events:shm-event-loop",
+        "//aos/events:shm_event_loop",
         "//aos/logging",
-        "//aos/logging:queue_logging",
         "//aos/time",
         "//aos/vision/events:udp",
         "//y2018:vision_proto",