Issue #26862: SYS_getdents64 does not need to be defined on android API 21.
diff --git a/Modules/_posixsubprocess.c b/Modules/_posixsubprocess.c
index a0109fb..0ca0aa5 100644
--- a/Modules/_posixsubprocess.c
+++ b/Modules/_posixsubprocess.c
@@ -21,8 +21,7 @@
#include <dirent.h>
#endif
-#if defined(__ANDROID__) && !defined(SYS_getdents64)
-/* Android doesn't expose syscalls, add the definition manually. */
+#if defined(__ANDROID__) && __ANDROID_API__ < 21 && !defined(SYS_getdents64)
# include <sys/linux-syscalls.h>
# define SYS_getdents64 __NR_getdents64
#endif