[hwasan] Ignore lit config.enable_aliases on non-x86.

This re-enables a number of Android tests that have been lost in
check-hwasan.

Differential Revision: https://reviews.llvm.org/D108064

Author: eugenis

compiler-rt/test/hwasan/lit.cfg.py

@@ -15,7 +15,7 @@
 
 if config.target_arch == 'x86_64' and config.enable_aliases == '1':
   clang_hwasan_common_cflags += ["-fsanitize-hwaddress-experimental-aliasing"]
-if config.enable_aliases != '1':
+else:
   config.available_features.add('pointer-tagging')
 if config.target_arch == 'x86_64':
   # This does basically the same thing as tagged-globals on aarch64. Because