[co19] Roll co19 to 80711f456b9a9ccaf345892098aa75d978cf6dc3

2024-02-08 sgrekhov22@gmail.com dart-lang/co19#2529. Remove tests with compile-time errors from core and html folders (dart-lang/co19#2530)
2024-02-08 sgrekhov22@gmail.com dart-lang/co19#2522. Move flow-analysis weak tests to TypeSystem dir (dart-lang/co19#2527)
2024-02-08 sgrekhov22@gmail.com Fix dart-lang/co19#2515. Remove strong-mode tests checking interaction with legacy (dart-lang/co19#2528)
2024-02-07 sgrekhov22@gmail.com dart-lang/co19#2522. Move type-normalization weak tests to TypeSystem dir (dart-lang/co19#2526)
2024-02-07 sgrekhov22@gmail.com dart-lang/co19#2522. Move subtyping tests to TypeSystem dir (dart-lang/co19#2525)
2024-02-07 sgrekhov22@gmail.com dart-lang/co19#2522. Move type-normalization tests to TypeSystem dir (dart-lang/co19#2524)
2024-02-06 sgrekhov22@gmail.com dart-lang/co19#2522. Move flow-analysis tests to TypeSystem dir (dart-lang/co19#2523)
2024-02-05 sgrekhov22@gmail.com Fix dart-lang/co19#2403. Add test for the new UP algorithm (dart-lang/co19#2520)
2024-02-05 sgrekhov22@gmail.com dart-lang/co19#2515. Fix const_evaluation_A10_t01.dart failure (dart-lang/co19#2519)

Change-Id: Ib6c00729b4a6aed3cb7ba2816eb46012ddef73a2
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/350922
Reviewed-by: Erik Ernst <eernst@google.com>
Reviewed-by: William Hesse <whesse@google.com>
Commit-Queue: Erik Ernst <eernst@google.com>

DEPS

@@ -54,7 +54,7 @@ vars = {
 
   # co19 is a cipd package automatically generated for each co19 commit.
   # Use tests/co19/update.sh to update this hash.
-  "co19_rev": "d1ce99fc64d3766ec7dd82362cf80192262822ec",
+  "co19_rev": "80711f456b9a9ccaf345892098aa75d978cf6dc3",
 
   # The internal benchmarks to use. See go/dart-benchmarks-internal
   "benchmarks_internal_rev": "3e58fcfa1464ffd7b1d3edc7a8d5d9a24a321c5d",