clean up FORTIFY_SOURCE handling.

Avoid duplicating huge chunks of code.

Change-Id: Id6145cdfce781c5ffba2abaaa79681d25a7ab28f

libc/bionic/__strcpy_chk.cpp

@@ -45,10 +45,8 @@ extern "C" char *__strcpy_chk (char *dest, const char *src, size_t dest_len) {
     // TODO: optimize so we don't scan src twice.
     size_t src_len = strlen(src) + 1;
     if (src_len > dest_len) {
-        __libc_android_log_print(ANDROID_LOG_FATAL, "libc",
-            "*** strcpy buffer overflow detected ***\n");
-        __libc_android_log_event_uid(BIONIC_EVENT_STRCPY_BUFFER_OVERFLOW);
-        abort();
+        __fortify_chk_fail("strcpy buffer overflow",
+                             BIONIC_EVENT_STRCPY_BUFFER_OVERFLOW);
     }
 
     return strcpy(dest, src);