Re-generate VTS tests from test specs

Also, updated test generator on handling FLOAT32 constants.

Test: VtsHalNeuralnetworksV1_0TargetTest on Angler
Test: frameworks/ml/nn/tools/test_generator/tests/test.py
Bug: 63905942
Change-Id: I4445c0b8836795b73b77e04e125d7e90229ce77a
28 files changed
tree: 96b5015f0687c1a7315b7cdbacc24bebf1367d83
  1. nn/
  2. Android.bp