Roll Dart SDK from ee8eb0a to 8c109a7 (1 revision) (flutter#25872)

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': 'ee8eb0a65efa183f3a12a41e3021e2d40eb2aad9',
+  'dart_revision': '8c109a734bdc8ad23ac73ae5edf1e42e9c5801b1',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -205,7 +205,7 @@ deps = {
    Var('dart_git') + '/html.git@00cd3c22dac0e68e6ed9e7e4945101aedb1b3109',
 
   'src/third_party/dart/third_party/pkg/http':
-   Var('dart_git') + '/http.git@14e4fece54591436c1e3083df350b8e142067ae7',
+   Var('dart_git') + '/http.git@abb2bb182fbd7f03aafd1f889b902d7b3bdb8769',
 
   'src/third_party/dart/third_party/pkg/http_multi_server':
    Var('dart_git') + '/http_multi_server.git@de1b312164c24a1690b46c6e97bd47eff40c4649',

ci/licenses_golden/licenses_third_party

@@ -1,4 +1,4 @@
-Signature: be075f587c89cc4d0953533eaa6d7db5
+Signature: 718f8841031abaf0593c0a9587ba2858
 
 UNUSED LICENSES: