Fix batch mode to now print out errors, this gets us closer to the FYI bot passing

pkg/analyzer/bin/analyzer.dart

 #!/usr/bin/env dart
 
 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /** The entry point for the analyzer. */
 library analyzer;
 
 import 'dart:async';
@@ skipping 75 matching lines @@
       }
       // prepare aruments
       var args;
       {
         var lineArgs = line.split(new RegExp('\\s+'));
         args = new List<String>();
         args.addAll(sharedArgs);
         args.addAll(lineArgs);
         args.remove('-b');
         args.remove('--batch');
-        // TODO(scheglov) https://code.google.com/p/dart/issues/detail?id=11061
-        args.remove('-batch');
       }
       // analyze single set of arguments
       try {
         totalTests++;
         ErrorSeverity result = handler(args);
         bool resultPass = result != ErrorSeverity.ERROR;
         if (!resultPass) {
           testsFailed++;
         }
         batchResult = batchResult.max(result);
         // Write stderr end token and flush.
         stderr.writeln('>>> EOF STDERR');
         String resultPassString = resultPass ? 'PASS' : 'FAIL';
         stdout.writeln('>>> TEST $resultPassString ${stopwatch.elapsedMilliseconds}ms');
       } catch (e, stackTrace) {
         stderr.writeln(e);
         stderr.writeln(stackTrace);
         stderr.writeln('>>> EOF STDERR');
         stdout.writeln('>>> TEST CRASH');
       }
     });
   }
 }