Merge pull request #25056 from yashykt/logunsecurewarning

Add log for insecure buils

src/core/lib/surface/init_unsecure.cc

@@ -18,10 +18,16 @@
 
 #include <grpc/support/port_platform.h>
 
+#include <grpc/support/log.h>
+
 #include "src/core/lib/surface/init.h"
 
 void grpc_security_pre_init(void) {}
 
 void grpc_register_security_filters(void) {}
 
-void grpc_security_init(void) {}
+void grpc_security_init(void) {
+  gpr_log(GPR_DEBUG,
+          "Using insecure gRPC build. Security handshakers will not be invoked "
+          "even if secure credentials are used.");
+}