To easily collect the mobile data enabled setting changes.
Bug: 308903704
Test: manual - on Mobile Settings
Test: unit test
Change-Id: Ic449ce14fad38513b1e13facc6a192d30318c7b0
And ComposePreferenceController.
So we can use Spa in Preferences based UI.
Bug: 280864229
Test: unit test
Change-Id: Ida6dc62b54de9513d014ad899a65876d3499a02c