Update base for Update on "[ET-VK] Minor improvements to conv2d pw and dw bounds check."

This diff contains minor improvements to the conv2d pw and dw bounds check in the Vulkan backend for Executorch.

Differential Revision: [D68400689](https://our.internmc.facebook.com/intern/diff/D68400689/)

[ghstack-poisoned]

Author: trivedivivek