Add includes

test/core/surface/server_test.c

@@ -32,6 +32,7 @@
  */
 
 #include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include "test/core/util/port.h"