The future is now (2019 edition).

This year, we accidentally shipped NDK r20beta1 first :-(

Bug: https://github.com/android-ndk/ndk/issues/932
Test: builds
Change-Id: Id66a16ea09e7928843e61612fbdef09e72610d49
diff --git a/libc/include/resolv.h b/libc/include/resolv.h
index 1518475..6318d00 100644
--- a/libc/include/resolv.h
+++ b/libc/include/resolv.h
@@ -60,7 +60,7 @@
 int res_search(const char* __name, int __class, int __type, u_char* __answer, int __answer_size);
 
 #define res_randomid __res_randomid
-u_int __res_randomid(void) __INTRODUCED_IN_FUTURE;
+u_int __res_randomid(void) __INTRODUCED_IN(29);
 
 __END_DECLS