Tell ltp we have epoll_pwait2() in bionic now.

Test: treehugger
Change-Id: I55c7ba6ffcb39db3e4d2fe343f94c0f0250c41c7
diff --git a/android/include/config.h b/android/include/config.h
index 951da92..2ab69c0 100644
--- a/android/include/config.h
+++ b/android/include/config.h
@@ -63,6 +63,9 @@
 /* Define to 1 if you have the `epoll_pwait' function. */
 #define HAVE_EPOLL_PWAIT 1
 
+/* Define to 1 if you have the `epoll_pwait2' function. */
+#define HAVE_EPOLL_PWAIT2 1
+
 /* Define to 1 if you have the `execveat' function. */
 /* #undef HAVE_EXECVEAT */