Roll Dart SDK from 39424b348c44 to b9c5d901eac0 (1 revision) (#24614)

DEPS

@@ -35,7 +35,7 @@ vars = {
   # Dart is: https://github.com/dart-lang/sdk/blob/master/DEPS.
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': '39424b348c442476ceaf445098475f730f09dcdb',
+  'dart_revision': 'b9c5d901eac07e644604cf88ec8904d282750525',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -52,9 +52,8 @@ vars = {
   'dart_pub_rev': '0e657414a472e74ca5dd76ae0db50cc060251dec',
   'dart_resource_rev': '6b79867d0becf5395e5819a75720963b8298e9a7',
   'dart_root_certificates_rev': '7e5ec82c99677a2e5b95ce296c4d68b0d3378ed8',
-  'dart_shelf_packages_handler_tag': '2.0.0',
   'dart_shelf_proxy_tag': '0.1.0+7',
-  'dart_shelf_static_rev': '779a6e99b320ce9ed4ff6b88bd0cdc40ea5c62c4',
+  'dart_shelf_static_rev': 'bafde9eaddb5d02040a614e41deddd971b4d67e6',
   'dart_sse_tag': '8add37c0ec0419ce28153a03f299d44ce006a975',
   'dart_stack_trace_tag': '6788afc61875079b71b3d1c3e65aeaa6a25cbc2f',
   'dart_stream_channel_tag': 'd7251e61253ec389ee6e045ee1042311bced8f1d',
@@ -277,7 +276,7 @@ deps = {
    Var('dart_git') + '/shelf.git@fa5afaa38bd51dedeeaa25b7bfd8822cabbcc57f',
 
   'src/third_party/dart/third_party/pkg/shelf_packages_handler':
-   Var('dart_git') + '/shelf_packages_handler.git' + '@' + Var('dart_shelf_packages_handler_tag'),
+   Var('dart_git') + '/shelf_packages_handler.git@78302e67c035047e6348e692b0c1182131f0fe35',
 
   'src/third_party/dart/third_party/pkg/shelf_proxy':
    Var('dart_git') + '/shelf_proxy.git' + '@' + Var('dart_shelf_proxy_tag'),
@@ -286,7 +285,7 @@ deps = {
    Var('dart_git') + '/shelf_static.git' + '@' + Var('dart_shelf_static_rev'),
 
   'src/third_party/dart/third_party/pkg/shelf_web_socket':
-   Var('dart_git') + '/shelf_web_socket.git@dedd6040d45159bd0661eb5252c7e936d6b7514a',
+   Var('dart_git') + '/shelf_web_socket.git@091d2ed2105827b7f376668fafc88b2b8c845d71',
 
   'src/third_party/dart/third_party/pkg/source_map_stack_trace':
    Var('dart_git') + '/source_map_stack_trace.git@1c3026f69d9771acf2f8c176a1ab750463309cce',

ci/licenses_golden/licenses_third_party

-Signature: b23297d448712a7278961709447efcc6
+Signature: 650305898a2788d997718f28299b8156
 
 UNUSED LICENSES: