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/network/team_number.cc b/aos/network/team_number.cc
index 0bd0cf7..8885b52 100644
--- a/aos/network/team_number.cc
+++ b/aos/network/team_number.cc
@@ -1,10 +1,11 @@
 #include "aos/network/team_number.h"
 
-#include <inttypes.h>
 #include <netinet/in.h>
-#include <stdlib.h>
 #include <unistd.h>
 
+#include <cinttypes>
+#include <cstdlib>
+
 #include "absl/strings/numbers.h"
 
 DEFINE_string(