Prefix LOG and CHECK with AOS_

This prepares us for introducing glog more widely and transitioning
things over where they make sense.

Change-Id: Ic6c208882407bc2153fe875ffc736d66f5c8ade5
diff --git a/frc971/control_loops/drivetrain/splinedrivetrain.cc b/frc971/control_loops/drivetrain/splinedrivetrain.cc
index 1f7e2b0..de59355 100644
--- a/frc971/control_loops/drivetrain/splinedrivetrain.cc
+++ b/frc971/control_loops/drivetrain/splinedrivetrain.cc
@@ -31,7 +31,7 @@
   ::aos::MutexLocker locker(&mutex_);
   while (run_) {
     while (goal_.spline.spline_idx == future_spline_idx_) {
-      CHECK(!new_goal_.Wait());
+      AOS_CHECK(!new_goal_.Wait());
       if (!run_) {
         return;
       }