[Renderer] Move InputPreprocessor into Renderer (1/2) (#34510)

Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>
Signed-off-by: Cyrus Leung <cyrus.tl.leung@gmail.com>

tests/v1/streaming_input/test_async_llm_streaming.py

@@ -7,7 +7,7 @@ from unittest.mock import AsyncMock, MagicMock
 
 import pytest
 
-from vllm.inputs import StreamingInput
+from vllm.engine.protocol import StreamingInput
 from vllm.outputs import RequestOutput
 from vllm.sampling_params import RequestOutputKind, SamplingParams
 from vllm.v1.engine.async_llm import AsyncLLM