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/flatbuffers/base.h b/aos/flatbuffers/base.h
index 6e93f93..a0d3810 100644
--- a/aos/flatbuffers/base.h
+++ b/aos/flatbuffers/base.h
@@ -12,9 +12,10 @@
 #include <utility>
 #include <vector>
 
+#include "absl/log/check.h"
+#include "absl/log/log.h"
 #include "absl/types/span.h"
 #include "flatbuffers/base.h"
-#include "glog/logging.h"
 
 #include "aos/containers/resizeable_buffer.h"
 #include "aos/ipc_lib/data_alignment.h"