added change_locale method

Author: ikkez

anki_vector/behavior.py

@@ -221,6 +221,26 @@ async def app_intent(self, intent: str, param: str = None) -> protocol.AppIntent
         app_intent_request = protocol.AppIntentRequest(intent=intent, param=param)
         return await self.conn.grpc_interface.AppIntent(app_intent_request)
 
+    # TODO Make this cancellable with is_cancellable_behavior
+    @connection.on_connection_thread()
+    async def change_locale(self, locale: str) -> protocol.UpdateSettingsResponse:
+        """Change Vectors voice locale
+
+        .. testcode::
+
+            import anki_vector
+            with anki_vector.Robot() as robot:
+                robot.behavior.change_locale(locale='de_DE')
+
+        :param locale: The locale ISO code
+
+        :return: object that provides the status
+        """
+
+        settings = {'locale': locale}
+        updatet_settings_request = protocol.UpdateSettingsRequest(settings=settings)
+        return await self.conn.grpc_interface.UpdateSettings(updatet_settings_request)
+
     # TODO Make this cancellable with is_cancellable_behavior
     @connection.on_connection_thread()
     async def update_settings(self, settings) -> protocol.UpdateSettingsResponse: