Remove unnecessary header inclusion from address sorting's public header

third_party/address_sorting/address_sorting.h

@@ -45,8 +45,6 @@
 extern "C" {
 #endif
 
-#include <stdbool.h>
-
 typedef struct address_sorting_address {
   char addr[128];
   size_t len;

third_party/address_sorting/address_sorting_internal.h

@@ -60,6 +60,7 @@
 #define ADDRESS_SORTING_POSIX 1
 #endif
 
+#include <stdbool.h>
 #include "address_sorting.h"
 
 address_sorting_source_addr_factory*