Detune some of the encoder noise

Turns out the wheels can spin a lot under defense.

Change-Id: Iefc36330a3813d0af5f24f44cb79dfe80276ff91
diff --git a/frc971/control_loops/drivetrain/hybrid_ekf.h b/frc971/control_loops/drivetrain/hybrid_ekf.h
index 42dc67a..f006bb4 100644
--- a/frc971/control_loops/drivetrain/hybrid_ekf.h
+++ b/frc971/control_loops/drivetrain/hybrid_ekf.h
@@ -484,7 +484,7 @@
       dt_config_.make_kf_drivetrain_loop().observer().coefficients().R;
   // TODO(james): The multipliers here are hand-waving things that I put in when
   // tuning things. I haven't yet tried messing with these values again.
-  encoder_noise_ = 0.05 * R_kf_drivetrain(0, 0);
+  encoder_noise_ = 0.5 * R_kf_drivetrain(0, 0);
   gyro_noise_ = 0.1 * R_kf_drivetrain(2, 2);
 }
 
diff --git a/y2019/control_loops/drivetrain/localizer_test.cc b/y2019/control_loops/drivetrain/localizer_test.cc
index 281abdc..b53e9d7 100644
--- a/y2019/control_loops/drivetrain/localizer_test.cc
+++ b/y2019/control_loops/drivetrain/localizer_test.cc
@@ -614,7 +614,7 @@
                 .finished(),
             /*noisify=*/true,
             /*disturb=*/false,
-            /*estimate_tolerance=*/0.25,
+            /*estimate_tolerance=*/0.3,
             /*goal_tolerance=*/0.7,
         })));