Allow invalid CF accessflags for chanu app dump

Bug: 172535996
Change-Id: I4c7993c8d3e04cb3f339ea4286f605d7c54dd575
diff --git a/tools/compiledump.py b/tools/compiledump.py
index 797019b..4c57722 100755
--- a/tools/compiledump.py
+++ b/tools/compiledump.py
@@ -272,6 +272,8 @@
       cmd.append('-ea')
     if args.printtimes:
       cmd.append('-Dcom.android.tools.r8.printtimes=1')
+    if hasattr(args, 'properties'):
+      cmd.extend(args.properties);
     cmd.extend(['-cp', '%s:%s' % (wrapper_dir, jar)])
     if compiler == 'd8':
       cmd.append('com.android.tools.r8.D8')