Fix depthwise_conv tests

  - For quantized depthwise_conv, the bias needs to be TENSOR_INT32.
  - The first dimension for the filter needs to be 1.

Bug: 63905942
Test: depthwise_conv_quant8 in NeuralNetworkTests pass
Change-Id: I180c2f3be59651897839475213fd3c874c55a267
7 files changed
tree: bcc3a998477a634585377dcbf5c0114df79a0b94
  1. nn/
  2. Android.bp