Holds can in auto.

Change-Id: I3d1f9c473b58552cc6b216d88162a42256388ff8
diff --git a/bot3/autonomous/auto.q b/bot3/autonomous/auto.q
index d529500..7f2a612 100644
--- a/bot3/autonomous/auto.q
+++ b/bot3/autonomous/auto.q
@@ -9,5 +9,7 @@
 message CanGrabberControl {
   // Voltage to send out to can grabbers.
   double can_grabber_voltage;
+  // Can grabbers fired
+  bool can_grabbers;
 };
 queue CanGrabberControl can_grabber_control;