Fix the spec for TENSOR_QUANT8_ASYMM to match our validation.

  - Scale of 0.0 is invalid for quantized tensor.

Bug: 77236592
Test: mma
Merged-In: I3a53d6303d8c964d451e17a3b1671de82d0ff335
Change-Id: I3a53d6303d8c964d451e17a3b1671de82d0ff335
(cherry picked from commit a82d39102af38725f72a415a69330f9304637f96)
2 files changed