Add location info to named types.

Bug: 31827278

Test: hidl_test
Change-Id: I1922d5c309c9706cef37ab34d28e1193d1e247cd
diff --git a/Scope.h b/Scope.h
index 8d26cac..4fb57ed 100644
--- a/Scope.h
+++ b/Scope.h
@@ -30,7 +30,8 @@
 struct LocalIdentifier;
 
 struct Scope : public NamedType {
-    Scope(const char *localName);
+    Scope(const char *localName,
+          const Location &location);
     virtual ~Scope();
 
     bool addType(NamedType *type, std::string *errorMsg);