Add location info to named types.

Bug: 31827278

Test: hidl_test
Change-Id: I1922d5c309c9706cef37ab34d28e1193d1e247cd
diff --git a/Interface.h b/Interface.h
index 135a69b..1c23186 100644
--- a/Interface.h
+++ b/Interface.h
@@ -27,7 +27,7 @@
 struct InterfaceAndMethod;
 
 struct Interface : public Scope {
-    Interface(const char *localName, Interface *super);
+    Interface(const char *localName, const Location &location, Interface *super);
 
     bool addMethod(Method *method);