[Macros] Use name lookup for lazy declaration macro expansion (#63411)

- Use the name lookup table instead of adding members from a macro expansion to the parent decl context.
- Require declaration macros to specify introduced names and used the declared names to guide macro expansions lazily.

lib/Serialization/Deserialization.cpp

@@ -5453,7 +5453,8 @@ llvm::Error DeclDeserializer::deserializeDeclCommon() {
         }
         Attr = MacroRoleAttr::create(
             ctx, SourceLoc(), SourceRange(),
-            static_cast<MacroSyntax>(rawMacroSyntax), role, names, isImplicit);
+            static_cast<MacroSyntax>(rawMacroSyntax), SourceLoc(), role, names,
+            SourceLoc(), isImplicit);
         break;
       }