Don't show container in list new storage

Change-Id: I24263e244d5b86ef066cd2efd511a890b03bf6e7
Test: m
Bug: 324436145

tools/aconfig/aflags/src/aconfig_storage_source.rs

@@ -62,7 +62,7 @@ fn convert(msg: ProtoFlagQueryReturnMessage) -> Result<Flag> {
         permission,
         value_picked_from,
         staged_value,
-        container: msg.container.ok_or(anyhow!("missing container"))?,
+        container: "-".to_string(),
 
         // TODO: remove once DeviceConfig is not in the CLI.
         namespace: "-".to_string(),