message: Add serialized_searcher_py_pb2 into pip deps for Model Maker usage.
diff: @@ -33,6 +33,7 @@ TASK_PIP_DEPS = [
  "//tensorflow_lite_support/python/task/audio:audio_embedder",
  # For Model Maker Searcher API to build ScaNN index.
  "//tensorflow_lite_support/scann_ondevice/cc/python:index_builder",
  + "//tensorflow_lite_support/scann_ondevice/cc/core:serialized_searcher_py_pb2",
  ]
  filegroup(
  