Fix dependence on kernel-service in the application snapshot rule.

Change-Id: I8cc047ed3bcb1fbd9144ca3f1c9192f63b99a10b
Reviewed-on: https://dart-review.googlesource.com/71421
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Siva Annamalai <asiva@google.com>

utils/application_snapshot.gni

@@ -143,7 +143,7 @@ template("application_snapshot") {
       deps = []
     }
     deps += [
-      "$_dart_root/utils/kernel-service:kernel-service_snapshot"
+      "$_dart_root/utils/kernel-service:kernel-service"
     ]
   }
 }