Updating Android's troubleshooting (#3373)

Author: LikeTheSalad

troubleshoot/ingest/opentelemetry/edot-sdks/android/index.md

@@ -169,3 +169,10 @@ Follow [this quick guide](../../../../../solutions/observability/apm/api-keys.md
 
 Follow [this guide](https://www.elastic.co/docs/api/doc/kibana/operation/operation-createagentkey) to create an API Key with a set of privileges that are scoped for the APM Agent use case only.
 
+## Missing general attributes
+
+Some [general attributes](https://opentelemetry.io/docs/specs/semconv/general/attributes/) require Android permissions to be granted for the host app; otherwise, they cannot be collected. The ones affected are the following:
+
+| Attribute                    | Required permission                                                                                      |
+|------------------------------|----------------------------------------------------------------------------------------------------------|
+| `network.connection.subtype` | [READ_PHONE_STATE](https://developer.android.com/reference/android/Manifest.permission#READ_PHONE_STATE) |