Add support for determnisitc seed in RandomUniform

[ivantishchenko]

TensorRT currently ignores the "seed" field in RandomUniform or RandomNormal ONNX operations. A nondeterministic random seed is used every time a TensorRT engine is rebuild.

onnx-tensorrt/onnxOpImporters.cpp

Line 4488 in ff761af

}

It would be nice to have a way to set the seed for random tensors from the outside like it's the case with PyTorch and NumPy for example.