SF: Rename callbacks from SF to Scheduler to more generic name

Scheduler is going to call in SF to request configs on more occasions
than just through idle timer. This CL changes the callback into a more
direct request to either switch to DEFAULT or PERFORMANCE config.

Test: manual
Bug: 127365162
Change-Id: I67c37b6679671a9d998fde3fcfd189d572c784b4
4 files changed