Flip driver image if wrist is backwards

Change-Id: Id303283baf449ffe88c6286ff13e7cfde91d3a9d
diff --git a/y2019/vision.proto b/y2019/vision.proto
index fb1eeec..6a78805 100644
--- a/y2019/vision.proto
+++ b/y2019/vision.proto
@@ -4,6 +4,7 @@
 
 message VisionControl {
   optional bool high_video = 1;
+  optional bool flip_image = 2;
 }
 
 message VisionStatus {