[embedding] Add new embedding sample app
[misc] Add usecase for SIMD

Impacted TCs (approved): New 1, Update 0, Delete 0
Unit test Platform: [Android],[Tizen IVI]
Android test result summary: Pass 1, Fail 0, Blocked 0
Tizen IVI test result summary: Pass 1, Fail 0, Blocked 0
Merge pull request #272 from JianfengXu/xujf/misc/simd

[misc] Add usecase for SIMD
Merge pull request #269 from xinliux/xinliux/embedding

[embedding] Add new embedding sample app