IVGCVSW-3189 NNAPI Documentation Update
IVGCVSW-3189 NNAPI Documentation Update

 * Added android.hardware.neuralnetworks@1.2 HAL interface to the list of implemented interfaces.

Change-Id: I9c0114b589602ace69c69464dd7ac600a777ba88

ARM-software/android-nn-driver,ARM-software/android-nn-driver