Converted vision to interpolating angle based on capture timestamp.

Change-Id: I4885eb7eb1254af7266a5bd4c91d5d1b14b09eb2
diff --git a/y2016/vision/vision.q b/y2016/vision/vision.q
index 2d95c3c..d762d17 100644
--- a/y2016/vision/vision.q
+++ b/y2016/vision/vision.q
@@ -20,5 +20,8 @@
   double vertical_angle;
   // Distance to the target in meters.
   double distance;
+
+  // Capture time of the angle using the clock behind Time::Now().
+  int64_t target_time;
 };
 queue VisionStatus vision_status;