Merge changes from topic "nnapisync_1.2"

* changes:
  Upgrade sample driver to v1.2
  Upgrade NeuralNetworks to v1.2
  Upgrade runtime tests to v1.2
  Reduces code duplication in executeOperation.
  Add v1.2 support to sync_enums_to_hal.py
  Make test generation scripts fail early
  Enable test generation for V1_2
  Clarify ANEURALNETWORKS_STRIDED_SLICE behavior
tree: a0a6f6d38f28adefff32486abd974f9115b0198b
  1. nn/
  2. CleanSpec.mk
  3. OWNERS