NNAPI: Clarify behaviour of REDUCE_* ops

Add a clarification on the behaviour of REDUCE_* ops when all dimensions
of an input tensor are reduced.

Bug: 155508675
Test: VtsHalNeuralnetworksV1_3TargetTest
Change-Id: I3a67225c3af80af40a11362ca5d0f55350cbfa05
Merged-In: I3a67225c3af80af40a11362ca5d0f55350cbfa05
(cherry picked from commit eec7d86b4452dc406c6b63f643156cf0f383dd56)
GitOrigin-RevId: 4b2917a5edea1239418559f440da587c188f654f
2 files changed
tree: 4b5f28e8880411b41d079ef344bbf39a001e227a
  1. 1.0/
  2. 1.1/
  3. 1.2/
  4. 1.3/
  5. README
  6. TEST_MAPPING