This CL references keunyoung's ag/25999220
This is to support the GenAI effort, allowing file backed large models to be mlocked, satisfying the memory accounting on Android.
AVC error message:
https://paste.googleplex.com/5844645780652032
Bug: 322229786
Tested:
end-to-end on ZUM and ZPR.
Change-Id: I6abef85eebbc051cb5e41b8f11f70f7ae1b489ab