Quickly calibrate the practice robot

It had never been calibrated.  Pick a quickly eyeballed set of numbers
to start with.

Change-Id: Ice2c2b31ea9c733312c32df836938425d0922693
diff --git a/y2020/constants.cc b/y2020/constants.cc
index 0e36f0f..d59a167 100644
--- a/y2020/constants.cc
+++ b/y2020/constants.cc
@@ -126,10 +126,10 @@
     case kPracticeTeamNumber:
       hood->zeroing_constants.measured_absolute_position = 0.0;
 
-      intake->zeroing_constants.measured_absolute_position = 0.0;
+      intake->zeroing_constants.measured_absolute_position = 0.347;
 
-      turret->potentiometer_offset = 0.0;
-      turret_params->zeroing_constants.measured_absolute_position = 0.0;
+      turret->potentiometer_offset = 5.3931926228241;
+      turret_params->zeroing_constants.measured_absolute_position = 4.22;
       break;
 
     case Values::kCodingRobotTeamNumber: