chore: Always log api backend when connecting to live model

Co-authored-by: Xiang (Sean) Zhou <seanzhougoogle@google.com>
PiperOrigin-RevId: 856404282

Author: seanzhougoogle

src/google/adk/models/google_llm.py

@@ -378,6 +378,13 @@ async def connect(self, llm_request: LlmRequest) -> BaseLlmConnection:
             types.Part.from_text(text=llm_request.config.system_instruction)
         ],
     )
+
+    logger.info(
+        'Trying to connect to live model: %s with api backend: %s',
+        llm_request.model,
+        self._api_backend,
+    )
+
     if (
         llm_request.live_connect_config.session_resumption
         and llm_request.live_connect_config.session_resumption.transparent
@@ -386,17 +393,13 @@ async def connect(self, llm_request: LlmRequest) -> BaseLlmConnection:
           'session resumption config: %s',
           llm_request.live_connect_config.session_resumption,
       )
-      logger.debug(
-          'self._api_backend: %s',
-          self._api_backend,
-      )
+
       if self._api_backend == GoogleLLMVariant.GEMINI_API:
         raise ValueError(
             'Transparent session resumption is only supported for Vertex AI'
             ' backend. Please use Vertex AI backend.'
         )
     llm_request.live_connect_config.tools = llm_request.config.tools
-    logger.info('Connecting to live for model: %s', llm_request.model)
     logger.debug('Connecting to live with llm_request:%s', llm_request)
     logger.debug('Live connect config: %s', llm_request.live_connect_config)
     async with self._live_api_client.aio.live.connect(