Put a plant inside the loop and moved A,B,etc there.

Change-Id: I9cb3a1a16bd0ccda0c9287514577b3c3861bc42f
diff --git a/y2014/actors/drivetrain_actor.cc b/y2014/actors/drivetrain_actor.cc
index 7ab4f3d..172ca13 100644
--- a/y2014/actors/drivetrain_actor.cc
+++ b/y2014/actors/drivetrain_actor.cc
@@ -24,7 +24,7 @@
 DrivetrainActor::DrivetrainActor(actors::DrivetrainActionQueueGroup* s)
     : aos::common::actions::ActorBase<actors::DrivetrainActionQueueGroup>(s),
       loop_(constants::GetValues().make_drivetrain_loop()) {
-  loop_.set_controller_index(3);
+  loop_.set_index(3);
 }
 
 bool DrivetrainActor::RunAction(const actors::DrivetrainActionParams &params) {