Add basic python rule for flatbuffers

Not 100% sure I'm actually going to *use* this now that I've looked at
things more carefully, but it may be helpful for doing some data
analysis stuff.

Change-Id: I695cfe019639617da5baec4d45f5de71ad79b223
diff --git a/build_tests/python_fbs.py b/build_tests/python_fbs.py
new file mode 100644
index 0000000..6345a2d
--- /dev/null
+++ b/build_tests/python_fbs.py
@@ -0,0 +1 @@
+from aos.examples import Foo, Bar