Add VTS tests for NeuralNetworks v1.2

This is a copy the v1.1 tests since we don't have any new ops
implemented in v1.2 yet.

Bug: 114365802
Test: mm
Test: NNAPI VTS
Change-Id: Ida7525fcd3ae0fd6f88ff9591e06aba922bdae64
Merged-In: Ida7525fcd3ae0fd6f88ff9591e06aba922bdae64
(cherry-picked from 871be947)