flutter/engine@a2aec5eb06...86dba81dec (flutter#10155)

flutter/engine@86dba81dec Tests for codeRange and metadata for annotations.
flutter/engine@800b734ee5 Add DartType.isDartCoreNum getter.
flutter/engine@dcc7e038a4 Skip summary1 tests when summary2 is enabled.
flutter/engine@25f91383a7 [dart/fuzzer] show exit/stdout/stderr on fail
flutter/engine@7d6024b0ff [dartdevc] Fix for DDC overzealously expanding nested constants
flutter/engine@db25ef8a9c Report unnecessary !
flutter/engine@ac45f46ce0 Bump the ABI version and oldest supported version to the same value
flutter/engine@de71dd4173 Rename Reference.node2 to just 'node'.
flutter/engine@95dcd5c258 Fix two bugs and refactor and extend the tests
flutter/engine@8b24e21980 Rename extension methods syntax test so that it actually runs.
flutter/engine@aac3ce5573 Add failing tests for summaries and referencing / invoking static methods of extensions.
flutter/engine@20f17c725d [ Service ] Fix issue where FlagList was being populated with nulls in package:vm_service
flutter/engine@938d3be958 Revert "Add various missing argument checks to dart:io natives."
flutter/engine@8fb4240bcb [dartdevc] Temporarily skip const stress tests in DDK
flutter/engine@368b3f0ab4 Reland "[ VM / Service ] Pulled in vm_service_drivers from its own repo."
flutter/engine@5d5a0c0164 Check in token-level language model via tflite ffi
flutter/engine@b9ab8efca6 Implement LUB for interface types with nullability.
flutter/engine@8fb6f68f43 Support resolution of this
flutter/engine@5357056a20 [cfe] Report errors when extension declarations are used as types
flutter/engine@f771a1f978 Skip deep constant nesting test on Windows dart2js. It crashes infrastructure.
flutter/engine@fbcbb83cab Add documentation for more diagnostics
flutter/engine@d9287f4fe6 Reland "[dart] Enable constant-update-2018"
flutter/engine@b74ae33406 Fix various issues with a generic method test
flutter/engine@ba72890aa7 Add various missing argument checks to dart:io natives.
flutter/engine@b716a4e3cd Flow analysis: document how state methods are expected to be used.
flutter/engine@41907fd4a5 Flow analysis: clarify when variables are removed from the "promoted" map.
flutter/engine@fdfad8d2f2 Flow analysis: fix a typo
flutter/engine@9c2970d17e Update checked-in SDK to 2.5.0-dev.1.0
flutter/engine@df509bfbf9 [infra] Kill test runner's batch compilers with sigkill if sigterm fails.

DEPS

@@ -34,7 +34,7 @@ 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': 'a2aec5eb0656a506e525c33f73ecfe645fe749f5',
+  'dart_revision': '86dba81dec38a1856ce18b50ffcdd7a11a4f2598',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -359,7 +359,7 @@ deps = {
    Var('dart_git') + '/package_resolver.git' + '@' + Var('dart_package_resolver_tag'),
 
   'src/third_party/dart/tools/sdks':
-   {'packages': [{'version': 'version:2.4.0', 'package': 'dart/dart-sdk/${{platform}}'}], 'dep_type': 'cipd'},
+   {'packages': [{'version': 'version:2.5.0-dev.1.0', 'package': 'dart/dart-sdk/${{platform}}'}], 'dep_type': 'cipd'},
 
   # WARNING: end of dart dependencies list that is cleaned up automatically - see create_updated_flutter_deps.py.
 

ci/licenses_golden/licenses_third_party

@@ -1,4 +1,4 @@
-Signature: 3280944f1c8a450091f4704de8136afc
+Signature: ca08a06584e1f3580840c31a6d6b5294
 
 UNUSED LICENSES: