Roll Dart SDK from fc5e80c to ae768c8 (1 revision) (#24468)

Author: skia-flutter-autoroll

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': 'fc5e80cbdc6f695bedd4fd5f77f9ee511386b4ca',
+  'dart_revision': 'ae768c81b213c126ee387e62c8ccecea13762094',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -56,7 +56,7 @@ vars = {
   'dart_shelf_packages_handler_tag': '2.0.0',
   'dart_shelf_proxy_tag': '0.1.0+7',
   'dart_shelf_static_rev': '779a6e99b320ce9ed4ff6b88bd0cdc40ea5c62c4',
-  'dart_sse_tag': '17b52bbdeee53fc54e5bdf9b80934460a9d63ba6',
+  'dart_sse_tag': '8add37c0ec0419ce28153a03f299d44ce006a975',
   'dart_stack_trace_tag': '6788afc61875079b71b3d1c3e65aeaa6a25cbc2f',
   'dart_stream_channel_tag': 'd7251e61253ec389ee6e045ee1042311bced8f1d',
   'dart_typed_data_tag': 'f94fc57b8e8c0e4fe4ff6cfd8290b94af52d3719',

ci/licenses_golden/licenses_third_party

@@ -1,4 +1,4 @@
-Signature: c1d818194c1c8e2a0c95950b41e06218
+Signature: 49d73fbe6fe4351815f79b114354cd6e
 
 UNUSED LICENSES: