Roll src/third_party/dart eaf1c308ab..2e99a418a0 (6 commits)

dart-lang/sdk@2e99a418a0 [dartdevc] Only generate temporary id for a library when it is needed
dart-lang/sdk@f27d4f2f7a [dart2js] Create list constants with implementation type
dart-lang/sdk@4b0ba9cf84 Fix bug when operating on a tearoff from an extension override (issue 38653)
dart-lang/sdk@5a174aa2df getter support for fixing missing diagnostic property references
dart-lang/sdk@2c3f0fc359 [vm/assembler] Add rbit to ARM32
dart-lang/sdk@33cd343374 Clean up the stack when a constructor initializer is found (issue 38674)

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': 'eaf1c308ab85d433512ad3c9de26794288a9da64',
+  'dart_revision': '2e99a418a0b5287d0bf98e2eb0a46b18c8d372e2',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py

ci/licenses_golden/licenses_third_party

-Signature: 8da01d4626ca1b68bd37ba231c12ae58
+Signature: 463eee16468aec6365688191c632b9a4
 
 UNUSED LICENSES: