NNAPI: sync NDK and HAL documentation

Bug: 72650109
Test: mma
Merged-In: I3e0a3680b89d80be500d8975f587f2d7c33fea10
Change-Id: I3e0a3680b89d80be500d8975f587f2d7c33fea10
(cherry picked from commit e98352806b55b5811635d40a06157e5a52e2d89c)
3 files changed