Dart cherry-picks for 1.12.13 (#14074)

tvolkert · web-flow · commit c1e322b685a8 · 2019-12-02T13:28:49.000-08:00
* dart-lang/sdk@3f32196 Make LateInitialziationError abstract and uninstantiable * dart-lang/sdk@f9cedb6 [vm/ffi] Fix source information in generated AST nodes * dart-lang/sdk@8023acc [vm/ffi] Fix source information in generated AST nodes - part 2 * dart-lang/sdk@1392d61 [infra] Modify 2.7.0 make_version hack so that it also works on other branches
diff --git a/DEPS b/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': '16cbabec3a00e715173c68e8f761a8e1296cc9e5',
+  'dart_revision': 'a4911c63f4f72ba571d6db94de56007b09f4af99',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
