Upgraded //y2015 to use the common drive code.

This is a fixup from changing the call signature of DoCoerceGoal

Change-Id: I8536f4cd793370cec8d369a00e4fc34b35442fd3
diff --git a/y2015/autonomous/BUILD b/y2015/autonomous/BUILD
index 352015a..94549d9 100644
--- a/y2015/autonomous/BUILD
+++ b/y2015/autonomous/BUILD
@@ -13,7 +13,7 @@
   deps = [
     '//frc971/autonomous:auto_queue',
     '//aos/common/controls:control_loop',
-    '//y2015/control_loops/drivetrain:drivetrain_queue',
+    '//frc971/control_loops/drivetrain:drivetrain_queue',
     '//y2015:constants',
     '//aos/common:time',
     '//aos/common/util:phased_loop',
diff --git a/y2015/autonomous/auto.cc b/y2015/autonomous/auto.cc
index 4ab5a41..e074356 100644
--- a/y2015/autonomous/auto.cc
+++ b/y2015/autonomous/auto.cc
@@ -11,7 +11,7 @@
 #include "frc971/autonomous/auto.q.h"
 #include "y2015/autonomous/auto.q.h"
 #include "y2015/constants.h"
-#include "y2015/control_loops/drivetrain/drivetrain.q.h"
+#include "frc971/control_loops/drivetrain/drivetrain.q.h"
 #include "y2015/actors/drivetrain_actor.h"
 #include "y2015/control_loops/claw/claw.q.h"
 #include "y2015/control_loops/fridge/fridge.q.h"