How to reproduce:
1. Build the attached project for tvOS (or tvOS simulator)
2. Run the app via Xcode
3. Press the "Visible Check" button (returns False)
4. Press on the Text Input field
5. Close the keyboard
6. Press the "Visible Check" button again (returns True)

Actual result: TouchScreenKeyboard.visible is not set to False when keyboard gets closed
Expected result: TouchScreenKeyboard.visible is set to False.

Reproducible with: 2019.3.0a11, 2019.2.0f1, 2019.1.12f1, 2018.4.5f1 2018.3.14f1.

Reproducible on:
- AppleTV, Model A1625 (32GB), tvOS 12.3(16M153), Resolution 1080p HD - 60Hz RGB Low
- tvOS simulator

Not reproducible on:
- iPhone 7 (iOS 10.2)

Notes:
Can't test 2017.4 and 2018.3 alpha as the tvOS input is not working.

-------------------
Fixed in 2020.1.0a15, 2019.3.0f3, 2019.2.18f1, 2018.4.16f1.