Move over to ABSL logging and flags.

Removes gperftools too since that wants gflags.

Here come the fireworks.

Change-Id: I79cb7bcf60f1047fbfa28bfffc21a0fd692e4b1c
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/frc971/control_loops/control_loop_test.h b/frc971/control_loops/control_loop_test.h
index 8b6ba09..0b918e2 100644
--- a/frc971/control_loops/control_loop_test.h
+++ b/frc971/control_loops/control_loop_test.h
@@ -4,7 +4,8 @@
 #include <chrono>
 #include <string_view>
 
-#include "glog/logging.h"
+#include "absl/log/check.h"
+#include "absl/log/log.h"
 #include "gtest/gtest.h"
 
 #include "aos/events/simulated_event_loop.h"