Disable ADPF CPU hint session rate limiter

After some testing, it has become clear that the rate limiter is
unhelpful and possibly harmful for performance. Rate limiting also
happens on PowerHAL side now, rendering this somewhat redundant,
so this patch disables rate limiting and hint batching on SF side.

Bug: b/241973353
Bug: b/195990840

Test: manual
Change-Id: I7ae43d7c9bfc95c94963ae4852d3190ee987c9aa