[co19] Roll co19 to 0d84277b464e91f09326292b2943381dfa6056ed

2020-10-09 irina.arkhipets@gmail.com Fixes #946: i-2-b typedef tests updated, missing Issue tags added.
2020-10-09 sgrekhov@unipro.ru Local variable reading tests fixed to not to fail on tryjobs

Cq-Include-Trybots: dart/try:analyzer-nnbd-linux-release-try,dart2js-nnbd-linux-x64-chrome-try,ddc-nnbd-linux-release-chrome-try,front-end-nnbd-linux-release-x64-try,vm-kernel-nnbd-linux-release-x64-try
Change-Id: I5e261e2a3a09087a44e872826eade8208aed5e83
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/166638
Commit-Queue: Alexander Thomas <athom@google.com>
Commit-Queue: Jonas Termansen <sortie@google.com>
Auto-Submit: Alexander Thomas <athom@google.com>
Reviewed-by: Jonas Termansen <sortie@google.com>

DEPS

@@ -44,7 +44,7 @@ vars = {
   # co19 is a cipd package. Use update.sh in tests/co19[_2] to update these
   # hashes. It requires access to the dart-build-access group, which EngProd
   # has.
-  "co19_rev": "5182a15ce02779832377ec02c35bd174acd875ac",
+  "co19_rev": "0d84277b464e91f09326292b2943381dfa6056ed",
   "co19_2_rev": "e48b3090826cf40b8037648f19d211e8eab1b4b6",
 
   # The internal benchmarks to use. See go/dart-benchmarks-internal