Replace use of deprecated C Standard library headers in C++ code.

Change-Id: I9fa6630c7e4bdb2897df34d417635d8c7d8253bc
Signed-off-by: Tyler Chatow <tchatow@gmail.com>
diff --git a/aos/logging/implementations.cc b/aos/logging/implementations.cc
index be54eec..96d00f9 100644
--- a/aos/logging/implementations.cc
+++ b/aos/logging/implementations.cc
@@ -1,10 +1,9 @@
 #include "aos/logging/implementations.h"
 
-#include <inttypes.h>
-#include <stdarg.h>
-
 #include <algorithm>
 #include <chrono>
+#include <cinttypes>
+#include <cstdarg>
 
 #include "aos/logging/printf_formats.h"
 #include "aos/time/time.h"