bionic snprintf is defined as a macro, so this saves chaos
--- ./include/m_ctype.h	2017-01-18 01:08:20.000000000 +0530
+++ ../m_ctype.h	2017-02-01 09:14:37.958658913 +0530
@@ -398,7 +398,9 @@
   const char *m_cannot_convert_error_pos;
 } MY_STRCONV_STATUS;
 
-
+#ifdef __ANDROID__
+#undef snprintf
+#endif
 /* See strings/CHARSET_INFO.txt about information on this structure  */
 struct my_charset_handler_st
 {