Parenthesized expressions (#8025)

* Add parser createParenthesizedExpressions option  …

When set to `true` we create `ParenthesizedExpression` nodes instead of
setting `extra.parenthesized`.

* Also update babel-parser.d.ts

packages/babel-traverse/src/path/inference/inferers.js

@@ -102,6 +102,10 @@ export function SequenceExpression() {
     .getTypeAnnotation();
 }
 
+export function ParenthesizedExpression() {
+  return this.get("expression").getTypeAnnotation();
+}
+
 export function AssignmentExpression() {
   return this.get("right").getTypeAnnotation();
 }