Checking in aos/vision/download tool.

Change-Id: Ie1ced5ec11f07fbf3e18cb94a8f690bd25e6a185
diff --git a/aos/vision/download/BUILD b/aos/vision/download/BUILD
new file mode 100644
index 0000000..536a7ad
--- /dev/null
+++ b/aos/vision/download/BUILD
@@ -0,0 +1,7 @@
+py_binary(
+  name = 'downloader',
+  visibility = ['//visibility:public'],
+  srcs = [
+    'downloader.py',
+  ],
+)