[co19] Roll co19 to 0486b097e09b1761d3d28317671e21496dd401c0

2025-05-15 [email protected] dart-lang/co19#3057. Add more promotion tests for extension types (dart-lang/co19#3184)
2025-05-14 [email protected] dart-lang/co19#3057. Add some promotion tests for extension types (dart-lang/co19#3183)
2025-05-14 [email protected] Fixes dart-lang/co19#3177. Ignore static warnings in non_ambiguity_A02_t01.dart (dart-lang/co19#3181)
2025-05-13 [email protected] dart-lang/co19#3057. Add promotion via assignment tests. Check top types. (dart-lang/co19#3167)
2025-05-13 [email protected] Fixes dart-lang/co19#3177. Fix typos, add issue number (dart-lang/co19#3178)
2025-05-12 [email protected] dart-lang/co19#3057. Add more reachability tests for `switch` (dart-lang/co19#3173)

Cq-Include-Trybots: luci.dart.try:analyzer-linux-release-try
Change-Id: Id5da975045bc2205ca470c5e429b37bcb822f18b
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/428960
Commit-Queue: Erik Ernst <[email protected]>
Reviewed-by: Erik Ernst <[email protected]>
Reviewed-by: Alexander Thomas <[email protected]>
Commit-Queue: Alexander Thomas <[email protected]>

Author: sgrekhov

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": "2e0a25b45ffbe29cc7f5741e7b16ee230a3af066",
+  "co19_rev": "0486b097e09b1761d3d28317671e21496dd401c0",
 
   # The internal benchmarks to use. See go/dart-benchmarks-internal
   "benchmarks_internal_rev": "1fa5d33a45f7d4dd0093124706cdfa45d9270851",