Adjust angularjs externs to make the Scope's $id match the typings. See for the change that made the $id a number instead of a string.
@@ -926,7 +926,7 @@ angular.Scope.prototype.$eval = function(opt_exp, opt_locals) {};
*/
angular.Scope.prototype.$evalAsync = function(opt_exp, opt_locals) {};
-/** @type {string} */
+/** @type {number} */
angular.Scope.prototype.$id;
/**
