Cancel Ask-Every-Time support for SMS by default.

 - Ask-Every-Time for SMS is not necessary for OEMs and Carriers, and some OEMs have already not used this behavior.

Flag: EXEMPT resource only update
Fix: b/378409607
Test: make pass
Test: Confirm expected UX in Android Settings app
Test: Confirm UI from Google messager b/378409607#comment4
Change-Id: I8152070abaae628b4c3313589768b18deb3028ad