chore: change AsyncClient._api_client to inherit from BaseApiClient

PiperOrigin-RevId: 823646790

Author: sararob

vertexai/_genai/client.py

@@ -48,7 +48,7 @@ def _add_tracking_headers(headers: dict[str, str]) -> None:
 class AsyncClient:
     """Async Gen AI Client for the Vertex SDK."""
 
-    def __init__(self, api_client: genai_client.Client):
+    def __init__(self, api_client: genai_client.BaseApiClient):
         self._api_client = api_client
         self._live = live.AsyncLive(self._api_client)
         self._evals = None