Upgraded the rest of Time.

Change-Id: I0ee083837e51d8f74a798b7ba14a3b6bb3859f35
diff --git a/y2016/vision/vision.q b/y2016/vision/vision.q
index 872c9ae..47906dc 100644
--- a/y2016/vision/vision.q
+++ b/y2016/vision/vision.q
@@ -23,7 +23,7 @@
   // The angle in radians of the bottom of the target.
   double angle;
 
-  // Capture time of the angle using the clock behind Time::Now().
+  // Capture time of the angle using the clock behind monotonic_clock::now().
   int64_t target_time;
 
   // The estimated positions of both sides of the drivetrain when the frame