Android: minuteInterval causes incorrect hour selection in TimePicker

[Gonky10]

Bug report

On Android, using TimePicker with minuteInterval={30} causes incorrect hour changes when selecting specific minute values.

When the user selects :00, the hour is sometimes increased by +1.
When the user selects :30, the hour is sometimes decreased by -1.

This behavior makes it impossible to reliably use minuteInterval on Android, as the selected time does not match the user input.

This issue does not occur on iOS.

---

Reproducible sample code

Minimal reproducible example using React Native CLI:

import React, { useState } from 'react';
import { View, Text, Button, Platform } from 'react-native';
import DateTimePicker, {
  DateTimePickerEvent,
} from '@react-native-community/datetimepicker';

export default function App() {
  const [date, setDate] = useState(new Date());
  const [show, setShow] = useState(false);

  const onChange = (event: DateTimePickerEvent, selectedDate?: Date) => {
    if (event.type === 'set' && selectedDate) {
      setDate(selectedDate);
      console.log('Selected time:', selectedDate.toString());
    }
    if (Platform.OS === 'android') {
      setShow(false);
    }
  };

  return (
    <View style={{ padding: 40 }}>
      <Text>Selected: {date.toLocaleTimeString()}</Text>
      <Button title="Open picker" onPress={() => setShow(true)} />
      {show && (
        <DateTimePicker
          value={date}
          mode="time"
          is24Hour={false}
          minuteInterval={30}
          display="spinner"
          onChange={onChange}
        />
      )}
    </View>
  );
}

[Gonky10]

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