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/events/logging/buffer_encoder.h b/aos/events/logging/buffer_encoder.h
index db09d32..5235d7b 100644
--- a/aos/events/logging/buffer_encoder.h
+++ b/aos/events/logging/buffer_encoder.h
@@ -1,9 +1,10 @@
 #ifndef AOS_EVENTS_LOGGING_BUFFER_ENCODER_H_
 #define AOS_EVENTS_LOGGING_BUFFER_ENCODER_H_
 
+#include "absl/log/check.h"
+#include "absl/log/log.h"
 #include "absl/types/span.h"
 #include "flatbuffers/flatbuffers.h"
-#include "glog/logging.h"
 
 #include "aos/containers/resizeable_buffer.h"
 #include "aos/events/logging/logger_generated.h"