Fix incremental kernel generator.

pkg/front_end/test/fasta/testing.json

 {
 "":"Copyright (c) 2016, 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.md file.",
 
   "packages": "../../../../.packages",
 
   "suites": [
 
     {
@@ skipping 145 matching lines @@
       "mode": "release",
       "common": "--dart2js-batch --time -pcolor --report --failure-summary -ax64 -mrelease",
       "command-lines": [
         "--checked dart2js",
         "-cdart2js -rd8 --exclude-suite=observatory_ui",
         "-cdart2js -rd8 dart2js_extra dart2js_native"
       ]
     }
   ],
 
   "analyze": {

[scheglov, 2017/05/22 16:05:06]

What does analyze do?
Runs analyzer over the specified files? Folders?

[ahe, 2017/05/22 16:09:56]

Both. To see the exact options passed to the analyzer, run this command:

./pkg/front_end/tool/fasta testing analyze --verbose

 
     "options": "../../analysis_options.yaml",
 
     "uris": [
       "../../lib/src/fasta",
       "../../lib/src/fasta/builder",
       "../../lib/src/fasta/dill",
       "../../lib/src/fasta/kernel",
       "../../lib/src/fasta/parser",
       "../../lib/src/fasta/scanner",
       "../../lib/src/fasta/source",
       "../../lib/src/fasta/testing",
       "../../lib/src/fasta/util",
       "../../tool",
       "../../tool/_fasta",
       "parser/parser_suite.dart",
       "scanner/scanner_suite.dart",
       "compile_test.dart",
       "kompile_test.dart",
       "outline_test.dart",
       "sdk_test.dart",
+      "../incremental_kernel_generator_test.dart",
       "../../../analyzer/lib/src/fasta",
       "../../../analyzer/lib/src/summary/fasta",
       "../../../analyzer/lib/src/dart/analysis/file_state.dart",
       "../../../analyzer/test/generated/parser_fasta_test.dart",
       "../../../analyzer/tool/summary/mini_ast.dart",
       "../../../../utils/kernel-service/kernel-service.dart",
       "../../../../tools/patch_sdk.dart"
     ],
 
     "exclude": [
       "/third_party/pkg/",
       "/third_party/pkg_tested/",
       "/pkg/analyzer/(?!.*/(fasta/|kernel/|(file_state|parser_fasta_test)\\.dart$))",
       "/pkg/js_ast/"
     ]
   }
 }