Ignore failing tests on Android

Author: sanxiyn

src/test/run-pass/packed-struct-vec.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// xfail-android: FIXME(#9116) Bus error
+
 use std::sys;
 
 #[packed]