Use a second camera and switch between them.

Also, blink out the state over the beacon.

Change-Id: If606dfed9ae64137f71429f1190f04d5dac2c4ec
diff --git a/y2018/control_loops/superstructure/BUILD b/y2018/control_loops/superstructure/BUILD
index 8fcba95..cc179d5 100644
--- a/y2018/control_loops/superstructure/BUILD
+++ b/y2018/control_loops/superstructure/BUILD
@@ -25,9 +25,12 @@
         ":superstructure_queue",
         "//aos/common/controls:control_loop",
         "//frc971/control_loops:queues",
+        "//frc971/control_loops/drivetrain:drivetrain_queue",
         "//y2018:constants",
+        "//y2018:status_light",
         "//y2018/control_loops/superstructure/arm",
         "//y2018/control_loops/superstructure/intake",
+        "//y2018/vision:vision_queue",
     ],
 )