Add validation to remaining ops and fix tests

Adds validation to the following operations:
* embedding lookup
* hashtable lookup
* lsh projection
* lstm
* rnn
* svdf

Additionally corrects some tensor types to scalar types in the following
tests:
* lsh_projection
* lstm
* rnn
* svdf

Bug: 67828197
Test: mma
Test: NeuralNetworksTest
Test: VtsHalNeuralnetworksV1_0TargetTest
Test: VtsHalNeuralnetworksV1_1TargetTest
Change-Id: I7c4842f296392ae2d54824872a2ca3c8dccb4689
33 files changed
tree: 4beb699dc8bc59cdf85ba801e79e0eb4d8efaf30
  1. nn/
  2. OWNERS