[co19] Roll co19 to ce52bad581af26062e8da7bdb0b0c5a5fc89ec7e

2024-05-16 sgrekhov22@gmail.com dart-lang/co19#2641. Rename `unchanged` -> `other_declarations` (dart-lang/co19#2670)
2024-05-16 sgrekhov22@gmail.com dart-lang/co19#2641. Check that it is still an error to declare more than one class member named `_` (dart-lang/co19#2669)
2024-05-15 sgrekhov22@gmail.com dart-lang/co19#2641. Add tests for multiple top-level declarations named `_` (dart-lang/co19#2667)
2024-05-15 sgrekhov22@gmail.com dart-lang/co19#2641. Add tests for unchanged type declarations named `_` (dart-lang/co19#2666)
2024-05-14 sgrekhov22@gmail.com dart-lang/co19#2641. Add tests for unchanged declarations named `_` (dart-lang/co19#2665)
2024-05-14 sgrekhov22@gmail.com dart-lang/co19#2641. Add tests for multiple declarations named `_` (dart-lang/co19#2656)
2024-05-14 sgrekhov22@gmail.com Fixes dart-lang/co19#2661. Fix numerous typos in augmented_expression_A01_t09 (dart-lang/co19#2664)
2024-05-14 sgrekhov22@gmail.com Fixes dart-lang/co19#2659. Make unique extension members names in augmenting_types_A05_t04 (dart-lang/co19#2662)
2024-05-14 sgrekhov22@gmail.com Fixes dart-lang/co19#2660. Fix typos in augmented_expression_A01_t05 (dart-lang/co19#2663)
2024-05-14 sgrekhov22@gmail.com dart-lang/co19#2641. Add wildcard initializer tests (dart-lang/co19#2658)
2024-05-13 sgrekhov22@gmail.com dart-lang/co19#2119. Remove some accidental comments (dart-lang/co19#2657)

Change-Id: I665f56c1039b14354019a32b94183f6d9c9bc5c7
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/367020
Reviewed-by: Erik Ernst <eernst@google.com>
Commit-Queue: Alexander Thomas <athom@google.com>
Reviewed-by: Alexander Thomas <athom@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": "75e239c06f49c35a66595649e2172e16bad5f8b8",
+  "co19_rev": "ce52bad581af26062e8da7bdb0b0c5a5fc89ec7e",
 
   # The internal benchmarks to use. See go/dart-benchmarks-internal
   "benchmarks_internal_rev": "a7c23b2422492dcc515d1ba4abe3609b50e2a139",