Update on "[ET-VK][Ops] quantization op shaders and impl"

Creating the quantize_per_tensor and quantize_per_token logic shaders and impl which are linked with the testing framework.

NOTE: Currently the only input types supported are **half** (fp16) and **float** (fp32). The only output types supported are **byte** (uint8), **char** (int8), **short** (int16), **int** (int32).

Differential Revision: [D75959064](https://our.internmc.facebook.com/intern/diff/D75959064/)

[ghstack-poisoned]

Author: morelos