Added actual event logging calls to the FORTIFY_SOURCE methods.

Change-Id: I3bf4fa8678c33187cb8ce4b75e666ddcd24403ab
diff --git a/libc/string/__memcpy_chk.c b/libc/string/__memcpy_chk.c
index aed3ec2..e79f6ac 100644
--- a/libc/string/__memcpy_chk.c
+++ b/libc/string/__memcpy_chk.c
@@ -47,6 +47,7 @@
     if (len > dest_len) {
         __libc_android_log_print(ANDROID_LOG_FATAL, "libc",
             "*** memcpy buffer overflow detected ***\n");
+        __libc_android_log_event_uid(BIONIC_EVENT_MEMCPY_BUFFER_OVERFLOW);
         abort();
     }