Update base for Update on "[Execuotrch][cpuinfo] Add util to find out # of performant cores"

This helps with identifying the # of performant cores which will later be used
when reseting the threadpool or using the guard to figure out how many threads
should be used

Differential Revision: [D54766068](https://our.internmc.facebook.com/intern/diff/D54766068/)

[ghstack-poisoned]

Author: kimishpatel