Roll Dart SDK from 6bd220f55604 to fac552a45c3d (9 revisions) (#20319)

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': '6bd220f5560427428588c6ab36b08d8aba6c9218',
+  'dart_revision': 'fac552a45c3d9db7b5e75cfdb5eb9cf9338a926a',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -47,7 +47,7 @@ vars = {
   'dart_http_retry_tag': '0.1.1',
   'dart_http_throttle_tag': '1.0.2',
   'dart_intl_tag': '0.16.1',
-  'dart_linter_tag': '0.1.117',
+  'dart_linter_tag': '0.1.118',
   'dart_oauth2_tag': '1.6.0',
   'dart_protobuf_rev': '3746c8fd3f2b0147623a8e3db89c3ff4330de760',
   'dart_pub_rev': '04b054b62cc437cf23451785fdc50e49cd9de139',

ci/licenses_golden/licenses_third_party

-Signature: a0b54b64cb7d6856a321de38d031a65c
+Signature: c238f616a81c4cd3c68c4dd9d578b499
 
 UNUSED LICENSES: