CI: Use android-staging agent to test ami-xyz

AMI Name: android-build-image-6.36.0v1.12-test-N

Author: ParaskP7

.buildkite/pipeline.yml

@@ -9,7 +9,7 @@ common_params:
       format: "junit"
 
 agents:
-  queue: "android"
+  queue: "android-staging"
 
 steps:
   - label: Gradle Wrapper Validation