* previously, these background cgroups running freely with uclamp unset
* now set the max cpu utility for these cgroups, following pixel tablet, but extended a bit as sdm660 is weaker
- Improve code with reference and split gain category
This reverts commits
- 471da74
- de7135d
- f6c011d
All credit goes to Stylog, this is just revert commits with few improvement
Co-authored-by: clarencelol <clarencekuiek@icloud.com>