Factoring out camera_params.proto.

Change-Id: Idf886f9cb33764d505d5cff11ca766cea96d2024
diff --git a/y2017/vision/BUILD b/y2017/vision/BUILD
index b70e67f..c7b4b7e 100644
--- a/y2017/vision/BUILD
+++ b/y2017/vision/BUILD
@@ -20,6 +20,9 @@
 proto_cc_library(
   name = 'vision_config',
   src = 'vision_config.proto',
+  deps = [
+    '//aos/vision/image:camera_params',
+  ],
 )
 
 cc_binary(