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/aos/logging/implementations_test.cc b/aos/logging/implementations_test.cc
index 08fdc7b..62d5f1e 100644
--- a/aos/logging/implementations_test.cc
+++ b/aos/logging/implementations_test.cc
@@ -7,7 +7,8 @@
 #include <cinttypes>
 #include <string>
 
-#include "glog/logging.h"
+#include "absl/log/check.h"
+#include "absl/log/log.h"
 #include "gtest/gtest.h"
 
 #include "aos/logging/printf_formats.h"