Device changelog:
- Update tetheroffload to 1.1

Rom Changelog:
- Merge March security patch
- Hide ongoing action progress chip on lockscreen
- OnGoingActionProgressController: Few code improvements
- Fix battery estimates in QS not appearing
- Import BT Slice intent resources from SettingsGoogle
- ChargingControl: Catch all setCharging*() exceptions
- ChargingControl: Prevent crash against very frequent power toggle
- ThemePicker: Add QS tiles gradient option
- QuickTap: Kotlin code style and minor improvements
- Updater: Update welcome message strings
- Support generating JSON for community builds
- Enhance script robustness and error handling for JSON generator
- Update Accord prebuilt
- Update some translations