Roll src/third_party/dart c547f5d933e5..b52d264f5b2f (19 commits)

[skia-flutter-autoroll]

https://dart.googlesource.com/sdk.git/+log/c547f5d933e5..b52d264f5b2f

git log c547f5d..b52d264 --date=short --first-parent --format='%ad %ae %s'
2019-12-27 asiva@google.com [VM/runtime] Address code review comments.
2019-12-27 mfairhurst@google.com [nnbd_migration] Visit annotations in field formal parameters
2019-12-27 brianwilkerson@google.com Enhance the fix for unnecessary_this to handle constructor initializers
2019-12-27 bkonyi@google.com [ VM ] Update ABI version after SIMD typed_data changes
2019-12-27 srawlins@google.com analyzer: move 31 'non-error' tests to separate files
2019-12-27 bkonyi@google.com [ VM / dart:typed_data ] Fixed more cases where null was a valid parameter for typed data functions in AOT
2019-12-27 mfairhurst@google.com [nnbd_migration] fix crash by composing non-null/type promotion
2019-12-27 asiva@google.com [VM/runtime] Conditionally include kernel/service isolate code
2019-12-27 pquitslund@google.com incompatibleRules
2019-12-27 scheglov@google.com Extract ConstructorFieldsVerifier.
2019-12-27 scheglov@google.com Move getElementDeclaration() tests, prepare for adding new tests.
2019-12-27 paulberry@google.com Add/fix return types to NNBD migration tests.
2019-12-27 pquitslund@google.com update dart.dev links
2019-12-27 asiva@google.com [VM/runtime] Remove support for loading URLs through service isolate
2019-12-27 brianwilkerson@google.com Enable prefer_adjacent_string_concatenation in most of the packages
2019-12-27 srawlins@google.com analyzer: Move tests for 7 more codes to separate files
2019-12-27 paulberry@google.com Migration: add new test files to test_all.dart
2019-12-27 scheglov@google.com Extract TypedLiteralResolver.
2019-12-27 srawlins@google.com analyzer: Move tests for 9 more codes to separate files

Created with:
gclient setdep -r src/third_party/dart@b52d264f5b2f

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.

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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

[skia-flutter-autoroll]

Auto-roller completed checks. About to merge.