https://dart.googlesource.com/sdk.git/+log/2aecf30d2b2e..4aa896464a48

git log 2aecf30..4aa8964 --date=short --first-parent --format='%ad %ae %s'
2020-04-14 joshualitt@google.com [dart2js] Add new nnbd strong bots.
2020-04-14 pquitslund@google.com sort_directives quick fix
2020-04-14 srujzs@google.com [dart:html] Add back lib/html/input_element_attributes_test
2020-04-14 srujzs@google.com [dart:html] Use TreatNullAs attribute in nullability
2020-04-13 srujzs@google.com [dart:html] Copy test resources from lib_2 to lib
2020-04-13 liama@google.com [nnbd] Fix lib/async/future_test in strong mode
2020-04-13 rileyporter@google.com [tests] Fix CompileTimeErrors in migrated tests.
2020-04-13 bkonyi@google.com [ Service ] Fix issue where invoke was crashing when passed non-instance arguments
2020-04-13 brianwilkerson@google.com Support macro expansion of Dartdoc in code completion
2020-04-13 bkonyi@google.com Reland  "[ VM / DartDev ] Fixed issue where trying to find the directory of the Dart executable would fail if we encountered a relative symlink while trying to determine the absolute path."
2020-04-13 bkonyi@google.com [ VM ] Updated help message for --write-service-info to `--write-service-info=file_uri` to reduce ambiguity with Windows' paths
2020-04-13 rmacnak@google.com [observatory] Provide missing type arguments to RenderingScheduler.
2020-04-13 scheglov@google.com Report HintCode.NULLABLE_TYPE_IN_CATCH_CLAUSE.
2020-04-13 srawlins@google.com Migrator: Add new fix kinds: replaceVar, addType
2020-04-13 scheglov@google.com Save state in FileResolver
2020-04-13 scheglov@google.com Fix covariant/return_type_test
2020-04-13 scheglov@google.com Update analyzer expected error range for language/operator/invalid_operators_test.
2020-04-13 scheglov@google.com The type 'dynamic' is defined in dart:core.
2020-04-13 scheglov@google.com Report errors for enum constants conflics.
2020-04-13 scheglov@google.com Exclude _fe_analyzer_shared/test/constants/data
2020-04-13 scheglov@google.com Fix warnings in nnbd_migration.
2020-04-13 scheglov@google.com Make exception and stack trace variables final.
2020-04-13 srawlins@google.com analyzer: Fix addtional language test
2020-04-13 brianwilkerson@google.com Compute the completion location while computing the OpType
2020-04-13 scheglov@google.com Fix computing annotation values when referencing opt-in from opt-out.
2020-04-13 scheglov@google.com Issue 40554. Apply NORM and TOP_MERGE only when one of the interfaces is not syntactically equal.

Created with:
  gclient setdep -r src/third_party/dart@4aa896464a48

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/dart-sdk-flutter-engine
Please CC dart-vm-team@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

Bug: None
Tbr: dart-vm-team@google.com