[res] Update resources to c++23

Test: manual
Change-Id: I769e907103cf0dbf1e02b95a78040ebc722c05a9
diff --git a/libs/androidfw/Android.bp b/libs/androidfw/Android.bp
index 63b831d..c8cc3526 100644
--- a/libs/androidfw/Android.bp
+++ b/libs/androidfw/Android.bp
@@ -33,6 +33,7 @@
 
 cc_defaults {
     name: "libandroidfw_defaults",
+    cpp_std: "gnu++2b",
     cflags: [
         "-Werror",
         "-Wunreachable-code",