Roll Dart SDK from ddbeaabe8b3d to 9c89ce329247 (1 revision) (flutter#21569)

Author: skia-flutter-autoroll

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': 'ddbeaabe8b3dc6299d9c963d414f820198edf8cd',
+  'dart_revision': '9c89ce329247f57fa3c0d978d13d08b9655f2917',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -46,7 +46,7 @@ vars = {
   'dart_http_retry_tag': '0.1.1',
   'dart_http_throttle_tag': '1.0.2',
   'dart_intl_tag': '0.16.1',
-  'dart_linter_tag': '0.1.119',
+  'dart_linter_tag': '0.1.120',
   'dart_oauth2_tag': '1.6.0',
   'dart_protobuf_rev': '3746c8fd3f2b0147623a8e3db89c3ff4330de760',
   'dart_pub_rev': '04e237f78b2302d7f20d0b362554425e8deb8add',

ci/licenses_golden/licenses_third_party

@@ -1,4 +1,4 @@
-Signature: f7f2dde13633b0c56c6d8b79c881dace
+Signature: 817edaad792668c12084853893cbe3b5
 
 UNUSED LICENSES:
 
@@ -8062,6 +8062,7 @@ FILE: ../../../third_party/dart/runtime/bin/dartdev_isolate.cc
 FILE: ../../../third_party/dart/runtime/bin/dartdev_isolate.h
 FILE: ../../../third_party/dart/runtime/bin/exe_utils.cc
 FILE: ../../../third_party/dart/runtime/bin/exe_utils.h
+FILE: ../../../third_party/dart/runtime/bin/file_win.h
 FILE: ../../../third_party/dart/runtime/bin/platform_macos.h
 FILE: ../../../third_party/dart/runtime/bin/platform_macos_test.cc
 FILE: ../../../third_party/dart/runtime/include/dart_api_dl.c
@@ -8106,6 +8107,7 @@ FILE: ../../../third_party/dart/runtime/vm/compiler/ffi/native_type.h
 FILE: ../../../third_party/dart/runtime/vm/compiler/ffi/recognized_method.cc
 FILE: ../../../third_party/dart/runtime/vm/compiler/ffi/recognized_method.h
 FILE: ../../../third_party/dart/runtime/vm/compiler/frontend/kernel_binary_flowgraph_test.cc
+FILE: ../../../third_party/dart/runtime/vm/compiler/frontend/multiple_entrypoints_test.cc
 FILE: ../../../third_party/dart/runtime/vm/compiler/stub_code_compiler.cc
 FILE: ../../../third_party/dart/runtime/vm/compiler/write_barrier_elimination.cc
 FILE: ../../../third_party/dart/runtime/vm/compiler/write_barrier_elimination.h