Extra fixes in this CL
- Minor string update in time zone picker.
Use date_time_search_region string in search bar,
and date_time_set_timezone_title string for lower case "zone".
- Fixed b/76893139. Remove the unnecessary top padding in RecyclerView.
Create a new layout file time_zone_items_list.xml without the padding.
- Add missing return statement when region ISO code
is invalid in RegionZonePicker#getAllTimeZoneInfos
Bug: 76209571
Bug: 76893139
Test: m RunSettingsRoboTests ROBOTEST_FILTER=com.android.settings.datetime.timezone
Test: Verified that the strings are updated in the UI
Change-Id: I1fb3e2abf80da3cb53cfbc3363bbe46e40a6ac22
- Show current selected region and time zone in a 2 rows.
Defailed info of current selected time zone in footer
- Show option menu to switch to select UTC offset
- This picker will be changed to the default picker in a later CL
Bug: 73952488
Test: m RunSettingsRoboTests
Change-Id: Ia81bb022e1021369612f5bd60c2c1f4d08db2af8
(cherry picked from commit b7d588f341)
