onnxruntime

5f4e63ed - Add nhwc support for NNAPI EP, add concat op, handle concurrent calls to NNAPI model (#4356)

Add nhwc support for NNAPI EP, add concat op, handle concurrent calls to NNAPI model (#4356) * add support to internally transpose nchw input to nhwc and only transpose back if it is necessary * more changes in nchw<->nhc, fixed small issue in concat * Add option for NNAPI to run on [all device]s/[cpu onl]y/[non-cpu only] * minor code style changes