Adding filter rank to SVDF

Bug: 67597181

Pulled in the latest implementation from TF Lite.
This allows a rank parameter that is greater than 1.

Split the state into input and output states.

Added a test spec for rank 2 SVDF.

Test: NeuralNetworksTest
Test: SVDFTest: adb shell /data/nativetest64/svdf_test/svdf_test

Change-Id: I207cc081019369bf5e643e16e91ff664d10975cc
(cherry picked from commit 8db6e487763be346310fc5468bd8f33f255ccb9c)
12 files changed
tree: 7ae0f65977b9062c56f1eadb2180e971cdd25b5b
  1. nn/
  2. Android.bp
  3. OWNERS