Update python models to have accurate constants

This should bring the python models all up to date.  Thanks Sarah for
pulling some of these out of the CAD.

Change-Id: I948685629b8d6835dccd72e623bf110525cb4254
diff --git a/y2020/control_loops/python/control_panel.py b/y2020/control_loops/python/control_panel.py
index 206a39e..e02aa13 100644
--- a/y2020/control_loops/python/control_panel.py
+++ b/y2020/control_loops/python/control_panel.py
@@ -17,12 +17,11 @@
 except gflags.DuplicateFlagError:
     pass
 
-#TODO(sabina): update moment
 kControlPanel = angular_system.AngularSystemParams(
     name='ControlPanel',
     motor=control_loop.BAG(),
-    G=(1.0),
-    J=0.3,
+    G=1.0,
+    J=0.000009,
     q_pos=0.20,
     q_vel=5.0,
     kalman_q_pos=0.12,