lshal: Add tests for ListCommand::parseArgs

Test: lshal_test
Bug: 35389839
Change-Id: Iaef39b048b0e7c06e70e21c96448c2f2e24d3128
diff --git a/cmds/lshal/ListCommand.h b/cmds/lshal/ListCommand.h
index 51f1ca5..64d33ca 100644
--- a/cmds/lshal/ListCommand.h
+++ b/cmds/lshal/ListCommand.h
@@ -40,7 +40,7 @@
 public:
     ListCommand(Lshal &lshal);
     Status main(const std::string &command, const Arg &arg);
-private:
+protected:
     Status parseArgs(const std::string &command, const Arg &arg);
     Status fetch();
     void postprocess();