Replace MakeTensor with MakeZeroTensor in chunker_test.cc.
Replace MakeTensor with MakeZeroTensor in chunker_test.cc.

MakeTensor created a tensor with an uninitialized TensorBuffer. This is problematic if we actually use the tensor's values.

PiperOrigin-RevId: 361116701
Change-Id: I6370d6915479efaeef4b9b89bcd665d87293645f

deepmind/reverb,deepmind/reverb,deepmind/reverb,deepmind/reverb