Switch all robots over to use EventLoop

Stop using the old QueueGroup constructor for ControlLoop

Change-Id: I027febf86e75399a97cdb4dc50dbc475705e0393
diff --git a/y2019/control_loops/drivetrain/BUILD b/y2019/control_loops/drivetrain/BUILD
index 819c7f8..959e839 100644
--- a/y2019/control_loops/drivetrain/BUILD
+++ b/y2019/control_loops/drivetrain/BUILD
@@ -76,6 +76,7 @@
     deps = [
         ":drivetrain_base",
         "//aos:init",
+        "//aos/events:shm-event-loop",
         "//frc971/control_loops/drivetrain:drivetrain_lib",
     ],
 )