- implement preference controller mixin Bug: 36458278 Test: make RunSettingsRoboTests -j40 Change-Id: I907420e49c710427c4cd3ad6fccb2f58f99164ea
- Introduce preference controller to manage phone number - Add new strings for multi sim devices Bug: 36458278 Test: make RunSettingsRoboTests -j40 Change-Id: Ibf5dc65ba67969b6eeb095b8d202ef8a5faf16ca