[NFC] ASTDumper: Tweak AppliedPropertyWrapperExpr dumping

Author: AnthonyLatsis

lib/AST/ASTDumper.cpp

@@ -2513,6 +2513,7 @@ class PrintExpr : public ExprVisitor<PrintExpr> {
 
   void visitAppliedPropertyWrapperExpr(AppliedPropertyWrapperExpr *E) {
     printCommon(E, "applied_property_wrapper_expr");
+    OS << '\n';
     printRec(E->getValue());
     PrintWithColorRAII(OS, ParenthesisColor) << ')';
   }