Roll src/third_party/dart d9fa37e85d5c..45db29709547 (48 commits)

[skia-flutter-autoroll]

https://dart.googlesource.com/sdk.git/+log/d9fa37e85d5c..45db29709547

git log d9fa37e..45db297 --date=short --first-parent --format='%ad %ae %s'
2019-12-12 victor.agnez@hotmail.com [vm/precomp] Reduce arm32 code size for BoxInt64Instr
2019-12-12 sstrickl@google.com [vm] De-obfuscate function and file names in DWARF sections.
2019-12-12 scheglov@google.com Remove Packages from SourceFactory.
2019-12-12 dacoharkes@google.com [vm/ffi] Split up function_callbacks_test
2019-12-12 whesse@google.com [infra] Add script to read builder status from Firestore
2019-12-12 whesse@google.com Reland "Reland "[infra] Add failing test to test CI systems and approvals workflow""
2019-12-12 sstrickl@google.com [vm/compiler] Add --save-debugging-info flag to gen_snapshot.
2019-12-12 johnniwinther@google.com [cfe] Refactor for-in loops to handle flow analysis
2019-12-12 dacoharkes@google.com [vm/ffi] Fix asan test expectations
2019-12-12 athom@google.com [test] Fix import in exact_selector_test
2019-12-12 dmitryas@google.com [cfe] Implement NNBD-aware lower / upper bound algorithms
2019-12-12 dacoharkes@google.com [samples/ffi] Native resource lifetime management
2019-12-12 netroby@users.noreply.github.com Fixed #39679 make sqlite ffi sample run success
2019-12-12 jensj@google.com [parser] Allow ?? after Type?
2019-12-12 jensj@google.com [parser] Allow '?.' and '?.[' after '!'
2019-12-12 fizaaluthra@google.com [dartfuzz] Add flag for displaying output divergence details
2019-12-12 rmacnak@google.com [vm, arm64] Fix heap corruption in PushArrayOfArguments.
2019-12-12 srawlins@google.com NNBD preview: Rip out static preview; only server preview
2019-12-12 srawlins@google.com Connect g/setters which override fields (w/ implicit g/setters)
2019-12-12 fizaaluthra@google.com [dartfuzz] Re-enabling Int32x4
2019-12-11 sigmund@google.com fix nnbd bots: build step broke when tests were moved
2019-12-11 scheglov@google.com Packages configuration abstraction on top of .packages or package_config.json files.
2019-12-11 fishythefish@google.com [dart2js] Remove bad assert from runtime_types_new.
2019-12-11 gityuan@gmail.com [timeline] Add support for timeline asynchronous events in android platform trace
2019-12-11 alexmarkov@google.com Reland "[vm/compiler] Dead code elimination"
2019-12-11 rnystrom@google.com Move files under language_2 into subdirectories.
2019-12-11 rmacnak@google.com [vm] Initialize the handle vtable table during VM initialization instead of during class registration in each isolate's initialization.
2019-12-11 pquitslund@google.com bump to linter 0.1.106
2019-12-11 rmacnak@google.com [vm] Reduce frame size for the functions with the largest frame sizes.
2019-12-11 rmacnak@google.com [build] Use separate out directories for each sanitizer.
2019-12-11 brianwilkerson@google.com Update dartfix to display urls and wait when run in preview mode
2019-12-11 scheglov@google.com Implement NORM.
2019-12-11 alexmarkov@google.com [vm/test] Fix vm/dart/product_aot_kernel_test for bytecode
2019-12-11 alexmarkov@google.com [vm/ffi_test] Fix ClobberAndCall helper on Windows
2019-12-11 scheglov@google.com Implement parsing for package_config.json files in analyzer.
2019-12-11 scheglov@google.com Extract nullability TypeSystem tests.
2019-12-11 srawlins@google.com Remove duplicate 'DEFAULT_VALUE_IN_FUNCTION_TYPE_ALIAS' already reported by fasta
2019-12-11 paulberry@google.com Create null-aware companion methods for ElementTypeProvider.
2019-12-11 brianwilkerson@google.com Start sending urls for preview mode from server to dartfix
2019-12-11 brianwilkerson@google.com Prepare to publish analysis_server_client so that dartfix can use the new API
2019-12-11 srawlins@google.com NNBD preview: improve details of where a nullable value is 'assigned'
2019-12-11 athom@google.com [infra] Update checked-in SDKs to 2.8.0-dev.0.0
2019-12-11 jensj@google.com [CFE] Fix bug in DebugStack
2019-12-11 whesse@google.com Revert "Reland "[infra] Add failing test to test CI systems and approvals workflow""
2019-12-11 athom@google.com [co19] Run co19 nnbd tests on analyzer-nnbd
2019-12-11 sstrickl@google.com [vm] Remove the unchecked entry point offset field from RawInstructions.
2019-12-11 athom@google.com [release] Merge the two 2.7.0 sections in the changelog
2019-12-11 whesse@google.com Reland "[infra] Add failing test to test CI systems and approvals workflow"

Created with:
gclient setdep -r src/third_party/dart@45db29709547

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

[skia-flutter-autoroll]

Auto-roller completed checks. About to merge.