Rename analyzer-experimental to analyzer_experimental.

pkg/analyzer_experimental/lib/src/generated/utilities_dart.dart

 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.utilities.dart;
 
 
 /**
  * The enumeration {@code ParameterKind} defines the different kinds of parameters. There are two
  * basic kinds of parameters: required and optional. Optional parameters are further divided into
  * two kinds: positional optional and named optional.
@@ skipping 18 matching lines @@
   ParameterKind(this.__name, this.__ordinal, bool isOptional) {
     this._isOptional2 = isOptional;
   }
   /**
    * Return {@code true} if this is an optional parameter.
    * @return {@code true} if this is an optional parameter
    */
   bool isOptional() => _isOptional2;
   String toString() => __name;
 }