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
12 files changed
tree: 49f967fd77163e30289286c32324954d8515bc19
  1. nn/
  2. Android.bp
  3. OWNERS