Split weights and bias parameter for quantized LSTM

So that it is more similar to regular LSTM that we have.

Fix: 113561892
Test: NeuralNetworksTest_operations
Test: NeuralNetworksTest_static

Change-Id: Ieb34d36afd96e7b58b891ba5d6bd87dd07283873
Merged-In: Ieb34d36afd96e7b58b891ba5d6bd87dd07283873
(cherry picked from commit a471ea92e94cfd90eacce667747e0a587bc29544)
12 files changed
tree: ff6aa6ee84c6bc7ed4980e3e2cf8fe34fe19bf2f
  1. nn/
  2. .clang-format
  3. CleanSpec.mk
  4. OWNERS
  5. PREUPLOAD.cfg