NNAPI: Update docs for ops with signed quantization

types.hal files are generated from current types.spec.

Bug: 136735770
Test: mma
Change-Id: Ide24606f8b1d5e755a71d46f230409942d8df7e9
Merged-In: Ide24606f8b1d5e755a71d46f230409942d8df7e9
(cherry picked from commit eb7f1756139dd5e5efe19d179a1e3dded720cc80)
4 files changed