Update base for Update on "[Executorch][llm] Enable leveraging ring kv cache via module swap"

This allows us to make some of the attention modules to use sliding window kv cache. Will help enable models like gemma3.

Differential Revision: [D73891426](https://our.internmc.facebook.com/intern/diff/D73891426/)

[ghstack-poisoned]

Author: kimishpatel