Update on "[ET-VK] New Implementation of `permute' operator"

## Changes

* Introduce `permute_buffer.glsl` and `permute_texture.glsl` compute shader templates to implement the permute operator

## Motivation

The existing implementation of permute produced incorrect outputs for width packed textures. Furthermore, there was no buffer implementation for the permute operator.

My goal with this diff is to introduce a more flexible implementation of permute that could work for any tensor representation.

## Performance impact

None expected.

Differential Revision: [D76483755](https://our.internmc.facebook.com/intern/diff/D76483755/)

[ghstack-poisoned]

Author: SS-JIA

backends/vulkan/test/op_tests/cases.py

@@ -758,7 +758,6 @@ def get_permute_inputs():
     ]
     test_suite.dtypes = [
         "at::kFloat",
-        "at::kInt",
     ]
     return test_suite