lshal: omit description text in tests.

There is no point on testing on the exact description text.
Test: lshal_test

Change-Id: Ieb7caaf992c62b772357a67e9e2abeba525c4bce
diff --git a/cmds/lshal/ListCommand.h b/cmds/lshal/ListCommand.h
index 5bc834c..049533a 100644
--- a/cmds/lshal/ListCommand.h
+++ b/cmds/lshal/ListCommand.h
@@ -78,7 +78,7 @@
 protected:
     Status parseArgs(const Arg &arg);
     Status fetch();
-    void postprocess();
+    virtual void postprocess();
     Status dump();
     void putEntry(TableEntrySource source, TableEntry &&entry);
     Status fetchPassthrough(const sp<::android::hidl::manager::V1_0::IServiceManager> &manager);