Add array backed flatbuffer

Change-Id: I9791bfd898a265200b57d970ea5551e782eb29d7
diff --git a/aos/BUILD b/aos/BUILD
index 2ae0fec..f0c12b9 100644
--- a/aos/BUILD
+++ b/aos/BUILD
@@ -463,6 +463,7 @@
         "@com_github_google_glog//:glog",
         "@com_google_absl//absl/strings",
         "@com_google_absl//absl/types:span",
+        "//aos:macros",
     ],
 )