refactor: list android locales (#1894)

Fixes #1854 

## Test Plan
> How do we know the code works?
Unit tests pass & refactored inline with #1854 

## Checklist

- [x] Unit tested

test_runner/src/main/kotlin/ftl/domain/ListAndroidLocales.kt

@@ -1,19 +1,16 @@
 package ftl.domain
 
-import flank.common.logLn
 import ftl.api.Locale.Identity
 import ftl.api.Platform
 import ftl.api.fetchLocales
 import ftl.args.AndroidArgs
-import ftl.environment.toCliTable
+import ftl.presentation.Output
 import java.nio.file.Paths
 
-interface ListAndroidLocales {
+interface ListAndroidLocales : Output {
     val configPath: String
 }
 
 operator fun ListAndroidLocales.invoke() {
-    logLn(
-        fetchLocales(Identity(AndroidArgs.loadOrDefault(Paths.get(configPath)).project, Platform.ANDROID)).toCliTable()
-    )
+    fetchLocales(Identity(AndroidArgs.loadOrDefault(Paths.get(configPath)).project, Platform.ANDROID)).out()
 }

test_runner/src/main/kotlin/ftl/presentation/cli/firebase/test/android/locales/AndroidLocalesListCommand.kt

@@ -1,8 +1,12 @@
 package ftl.presentation.cli.firebase.test.android.locales
 
+import ftl.api.Locale
 import ftl.config.FtlConstants
 import ftl.domain.ListAndroidLocales
 import ftl.domain.invoke
+import ftl.environment.toCliTable
+import ftl.presentation.outputLogger
+import ftl.presentation.throwUnknownType
 import picocli.CommandLine
 
 @CommandLine.Command(
@@ -26,6 +30,14 @@ class AndroidLocalesListCommand :
     )
     override var configPath: String = FtlConstants.defaultAndroidConfig
 
+    override val out = outputLogger {
+        @Suppress("UNCHECKED_CAST")
+        when (this) {
+            is List<*> -> (this as List<Locale>).toCliTable()
+            else -> throwUnknownType()
+        }
+    }
+
     @CommandLine.Option(
         names = ["-h", "--help"],
         usageHelp = true,