Cherrypick an engine revert on flutter-2.8-candidate.2 (#92795)

* Cherrypick engine to 615de3c215c486e0e001905155ccd749e24ed74d

* Update ci.yaml to enable the tests
diff --git a/.ci.yaml b/.ci.yaml
index 62e48dc..435e53f 100755
--- a/.ci.yaml
+++ b/.ci.yaml
@@ -11,6 +11,7 @@
   - dev
   - beta
   - stable
+  - flutter-2.8-candidate.2
 
 platform_properties:
   linux:
diff --git a/bin/internal/engine.version b/bin/internal/engine.version
index 76731af..da25a82 100644
--- a/bin/internal/engine.version
+++ b/bin/internal/engine.version
@@ -1 +1 @@
-a04ec3aaa6f166071fc8160b974094cb4a8dae9a
+615de3c215c486e0e001905155ccd749e24ed74d