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/aos/actions/test_action.fbs b/aos/actions/test_action.fbs
new file mode 100644
index 0000000..f7f8052
--- /dev/null
+++ b/aos/actions/test_action.fbs
@@ -0,0 +1,20 @@
+namespace aos.common.actions;
+
+table UInt {
+  val:uint;
+}
+
+table TestActionGoal {
+  run:uint;
+  params:UInt;
+}
+
+table MyParams {
+  param1:double;
+  param2:int;
+}
+
+table TestAction2Goal {
+  run:uint;
+  params:MyParams;
+}