Fix "E2E test setting and using isolate names (#23388)" (#23438)

Updates gradle.

This reverts commit d07c09c9a1a8bd9a0860c579154974437da14024.

dev/devicelab/manifest.yaml

diff --git a/dev/devicelab/manifest.yaml b/dev/devicelab/manifest.yaml
index 9d344d0..45a342bd 100644
--- a/dev/devicelab/manifest.yaml
+++ b/dev/devicelab/manifest.yaml
@@ -283,6 +283,13 @@
     stage: devicelab
     required_agent_capabilities: ["linux/android"]
 
+  named_isolates_test:
+    description: >
+      Tests naming and attaching to specific isolates.
+    stage: devicelab
+    required_agent_capabilities: ["linux/android"]
+    flaky: true
+
   flutter_create_offline_test_linux:
     description: >
       Tests the `flutter create --offline` command.