Move aos/controls to frc971/control_loops

Also put what was aos/controls/control_loops.fbs in y2012/control_loops
because that's the only user.

Change-Id: I8f402b0708103077e135a41e55ef5e4f23681d87
Signed-off-by: James Kuszmaul <jabukuszmaul@gmail.com>
diff --git a/y2019/control_loops/superstructure/superstructure.h b/y2019/control_loops/superstructure/superstructure.h
index f4a23d9..f86d64c 100644
--- a/y2019/control_loops/superstructure/superstructure.h
+++ b/y2019/control_loops/superstructure/superstructure.h
@@ -1,7 +1,7 @@
 #ifndef Y2019_CONTROL_LOOPS_SUPERSTRUCTURE_SUPERSTRUCTURE_H_
 #define Y2019_CONTROL_LOOPS_SUPERSTRUCTURE_SUPERSTRUCTURE_H_
 
-#include "aos/controls/control_loop.h"
+#include "frc971/control_loops/control_loop.h"
 #include "aos/events/event_loop.h"
 #include "frc971/control_loops/drivetrain/drivetrain_status_generated.h"
 #include "frc971/control_loops/static_zeroing_single_dof_profiled_subsystem.h"
@@ -19,7 +19,7 @@
 namespace superstructure {
 
 class Superstructure
-    : public ::aos::controls::ControlLoop<Goal, Position, Status, Output> {
+    : public ::frc971::controls::ControlLoop<Goal, Position, Status, Output> {
  public:
   explicit Superstructure(::aos::EventLoop *event_loop,
                           const ::std::string &name = "/superstructure");