Add meta-neural-network layers to use the nnstreamer

[JimmyOhn]

:Release Notes:
Add meta-neural-network layers to use the nnstreamer

:Detailed Notes:
Add meta-neural-network layers to use the nnstreamer

:Testing Performed:
Only build tested.

:QA Notes:
No change to image.

:Issues Addressed:

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[myungjoo]

We will be helding nnstreamer conference in September. We would like to invite a talk (about the nnstreamer usage in WebOS) in the conference: nnstreamer/nnstreamer#3665

[JimmyOhn]

We will be helding nnstreamer conference in September. We would like to invite a talk (about the nnstreamer usage in WebOS) in the conference: nnstreamer/nnstreamer#3665

Apologies for the late reply.
Unfortunately, nnstreamer conference already ended in September:(
I hope I'll attend the nnstreamer conference next time.