WIP: add dialog to adjust the synchronization of text captions
status:
=======
* works great
- is not yet feature complete
* this as-not-yet-modified version of 'MultiFieldTimePickerDialog'
- does not:
* support negative values
* implement NumberPicker.OnValueChangeListener
- for any change, immediately call:
notifyDateSet() => mListener.onTimeSet(hr, min, sec, ms)
- would allow the user to see the updates in realtime
and tweak the values interactively alongside video playback
based on:
=========
https://github.com/chromium/chromium/raw/80.0.3987.137/content/public/android/java/src/org/chromium/content/browser/picker/MultiFieldTimePickerDialog.java
https://github.com/chromium/chromium/raw/80.0.3987.137/content/public/android/java/src/org/chromium/content/browser/picker/InputDialogContainer.java
https://github.com/chromium/chromium/raw/80.0.3987.137/content/public/android/java/res/layout/multi_field_time_picker_dialog.xml
