Fix CI for _android.yml (pytorch#6469)

CI won't run

Pull Request resolved: pytorch#6469

Author: kirklandsign

.github/workflows/_android.yml

@@ -4,10 +4,6 @@ on:
   workflow_call:
   workflow_dispatch:
 
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}-${{ github.event_name == 'workflow_dispatch' }}-${{ github.event_name == 'schedule' }}
-  cancel-in-progress: true
-
 jobs:
   build-llm-demo:
     name: build-llm-demo