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
1. The region which is selected in region picker will also apply to the first locale.
2. When a user change the first locale, the region of the first locale will be updated to the region picker.
Bug: 385047778
Flag: com.android.settings.flags.regional_preferences_api_enabled
Test: check hsv
Change-Id: I001e0910ce9d1601513ed2f52e6ee30d3551859f