Always set cross sim calling

By CrossSimCallingViewModel, in SIMs and per SIM settings page.
To ensure the status is always right, including the case after the
onboarding set up finished.

Fix: 347882381
Fix: 348529996
Flag: EXEMPT bug fix
Test: manual - turn on / off "Automatic data switching" on SIMs
Test: manual - turn off "Automatic data switching" during onboarding
Change-Id: Icc2eacb67850fa7b3aa0fe310cd09a0e0147912b