Build lib/_internal/analysis_summary during SDK build.

create_sdk.gyp

 # Copyright (c) 2014, 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.
 
 {
   'targets': [
     {
       'target_name': 'create_sdk_internal',
       'type': 'none',
       'dependencies': [
@@ skipping 23 matching lines @@
             '<!@(["python", "tools/list_files.py", "", "sdk/bin"])',
             'tools/create_sdk.py',
             '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)dart<(EXECUTABLE_SUFFIX)',
             '<(SHARED_INTERMEDIATE_DIR)/dart2js.dart.snapshot',
             '<(SHARED_INTERMEDIATE_DIR)/utils_wrapper.dart.snapshot',
             '<(SHARED_INTERMEDIATE_DIR)/pub.dart.snapshot',
             '<(SHARED_INTERMEDIATE_DIR)/dartanalyzer.dart.snapshot',
             '<(SHARED_INTERMEDIATE_DIR)/dartfmt.dart.snapshot',
             '<(SHARED_INTERMEDIATE_DIR)/analysis_server.dart.snapshot',
             '<(SHARED_INTERMEDIATE_DIR)/dartdoc.dart.snapshot',
+            '<(SHARED_INTERMEDIATE_DIR)/spec.sum',
+            '<(SHARED_INTERMEDIATE_DIR)/strong.sum',
             'tools/VERSION'
           ],
           'outputs': [
             '<(PRODUCT_DIR)/dart-sdk/README',
           ],
           'action': [
             'python',
             'tools/create_sdk.py',
             '--sdk_output_dir', '<(PRODUCT_DIR)/dart-sdk',
             '--snapshot_location', '<(SHARED_INTERMEDIATE_DIR)/'
           ],
           'message': 'Creating SDK.',
         },
       ],
     },
   ],
 }