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-parser/src/options.js

@@ -19,6 +19,7 @@ export type Options = {
   strictMode: ?boolean,
   ranges: boolean,
   tokens: boolean,
+  createParenthesizedExpressions: boolean,
 };
 
 export const defaultOptions: Options = {
@@ -55,6 +56,9 @@ export const defaultOptions: Options = {
   ranges: false,
   // Adds all parsed tokens to a `tokens` property on the `File` node
   tokens: false,
+  // Whether to create ParenthesizedExpression AST nodes (if false
+  // the parser sets extra.parenthesized on the expression nodes instead).
+  createParenthesizedExpressions: false,
 };
 
 // Interpret and default an options object