[Feat][Perf][AuK]Support Online Serving and DiT CUDAGraph (#7469)

Signed-off-by: boatman <109857087+sphinxkkkbc@users.noreply.github.com>
Signed-off-by: Yueqian Lin <linyueqian@outlook.com>
Co-authored-by: Hongsheng Liu <liuhongsheng4@huawei.com>
Co-authored-by: Yueqian Lin <linyueqian@outlook.com>

tests/entrypoints/openai_api/test_serving_speech.py

@@ -5367,6 +5367,9 @@ class TestTTSAsyncOffloading:
         adapter_model_type = "adapter_dummy_tts"
 
         class FakeAdapter:
+            def normalize(self, request):
+                return
+
             def validate(self, request):
                 return None