Only finish the activity after user has selected a region.
Bug: 403172371
Test: manual
Flag: EXEMPT bugfix
Change-Id: I9eee0728f7a06260249ad1db6d499eeb8c8ea255
User wants to add the same language (non system language) with a different region. Adding the same language again with a different region will change the region of that language to the new region.
Bug: 388942734
Test: manual verification
Flag: EXEMPT bugfix
Change-Id: Ib124aa795277d5e1d66f3a98a16ab9bf1cfbe08f
1. Region
2. Temperature
3. Measurement system
4. First day of week
Bug: 389568296
Flag: EXEMPT metrics
Test: manual
Change-Id: I62c1cbcec873b33c76fd389c27e7809c7581db97
1. show dialog
2. change the region of the top locale
Bug: 385047778
Flag: com.android.settings.flags.regional_preferences_api_enabled
Test: check hsv, atest
Change-Id: I9746cdec670899b3768dcd1e0aa59e1959dd7e06