Updates the localization files.

See title.

Fixes https://github.com/flutter/flutter/issues/130874.

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Co-authored-by: Xilai Zhang <xilaizhang@google.com>

Revert "Refactor reorderable list semantics"

Refactor reorderable list semantics

Reverts flutter/flutter#124088

This PR should properly incorporate the new Welsh translations into
Flutter (and maybe some other strings that seem to be updated in TC).

I think the other translation changes come from this issue:
https://github.com/flutter/flutter/issues/115181.

Fixes https://github.com/flutter/flutter/issues/120124.

Revert "Add Welsh to Material Flutter (and update some other translations)"

This PR should properly incorporate the new Welsh translations into
Flutter (and maybe some other strings that seem to be updated in TC).

I think the other translation changes come from this issue:
https://github.com/flutter/flutter/issues/115181.

Fixes #120124.

* Fix Menu shortcut labels

* Remove invalid localizations

* Add more localization for Shift

* Add generated localizations

* Fix Test

* Internationalize the time picker

- header layout and formatting
- 12-hour vs 24-hour dial
- RTL

* make TimeOfDayFormat an enum

* address comments