Fixed issue #907 TypeError: Cannot read property 'dismiss' of undefined

[herberthk]

Summary

The error was described in this issue

• What issues does the pull request solve? it solves this issue

Test Plan

What's required for testing? run the code below on android

                 <DateTimePicker
                        testID="dateTimePicker"
                        timeZoneOffsetInMinutes={0}
                        value={date}
                        mode={mode}
                        is24Hour={true}
                        display={Platform.OS === 'ios' ? 'inline' : 'default'}
                        onChange={onChange}
                        minimumDate={new Date()}
                    />

Compatibility

OS	Implemented
iOS	❌
Android	✅

Checklist

• [x] I have tested this on a device and a simulator
• [ ] I added the documentation in README.md
• [ ] I updated the typed files (TS and Flow)
• [ ] I added a sample use of the API in the example project (example/App.js)
• [ ] I have added automated tests, either in JS or e2e tests, as applicable