App signature: Updates to work on all devices including Samsung TW ROMs.
Battery: update charge level interface to support original boeffla driver (no more modifications are needed).
Display & Led: update LED brightness to work with more devices.
LED Notification Intensity: allow to set any value.
Settings: fix option to hide sections.
build: update to stable AndroidX (and also update dependencies).
SmartPack: Auto-flash: Internal changes for Pie ROMs.
