Add validation tests for remaining operations

Adds operation validation tests for the following ops:
* embedding lookup
* hashtable lookup
* lsh projection
* lstm
* rnn
* svdf

Bug: 67828197
Test: mma
Test: NeuralNetworksTest_static
Merged-In: I018d6f9c8f09f5e3bdbf85c395dbb4cd9241a35e
Change-Id: I018d6f9c8f09f5e3bdbf85c395dbb4cd9241a35e
(cherry picked from commit 9b86f196698b386c0761d505e7c8c7b3a42e8d22)
1 file changed
tree: 48e78e280817f8b97e1e0addc901506ed363da89
  1. nn/
  2. CleanSpec.mk
  3. OWNERS