Update android.md

adding omit_requirement_level

docs/attributes-registry/android.md

@@ -1,7 +1,7 @@
 # Android
 
 ## Android Attributes
-<!-- semconv registry.android -->
+<!-- semconv registry.android(omit_requirement_level) -->
 | Attribute  | Type | Description  | Examples  | Requirement Level |
 |---|---|---|---|---|
 | `android.os.api_level` | string | Uniquely identifies the framework API revision offered by a version (`os.version`) of the android operating system. More information can be found [here](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels). | `33`; `32` | Recommended |