Rename analyzer_experimental to analyzer.

pkg/analyzer/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;
 import 'java_core.dart';
 /**
  * The enumeration `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.
  *
  * @coverage dart.engine.utilities
@@ skipping 11 matching lines @@
 
   /**
    * Initialize a newly created kind with the given state.
    *
    * @param isOptional `true` if this is an optional parameter
    */
   ParameterKind(String name, int ordinal, bool isOptional) : super(name, ordinal) {
     this.isOptional = isOptional;
   }
 }