RM6785: Initial powerhint for power-libperfmgr

 * Based on https://github.com/realme-mt6785-devs/android_device_realme_RM6785/blob/1fad0c23a810e24f2de87763de094891897e5f4c/configs/power/powerscntbl.xml

Change-Id: I093b9277e9bfbf26781fbfece8ed39e33b142c92
2 files changed