* Implemented accessibility support for android date picker.

* Created new function to return accessible text.
Changed access modifier of few functions to public.

* removed duplicate contentDescription for accessibility to work correct.

* Added finnish and swedish localizations for accessible items in datepicker.

* Added localisation english texts.

* Implemented localisations for accessible selections made inside android datepicker.

* Added getLocaleStringResource function for getting localised string resource.

* Added required imports for getLocaleStringResource function.

* Content description set based on localised strings from resources initially.

* Implemented meaningful content description for dateTime picker.
Added new keys for time prefix.
Content description set when screen reader is focused on picker wheels.

* Updated correct finnish and swedish translations.

* refactor: move accessibility to its own class

Co-authored-by: Jencir CJ <jencir.jamal@digia.com>
Co-authored-by: Henning Hall <henning.hall@hotmail.com>

By properly searching for the first undescore

The getPatternIncluding method would return quoted pieces if
the check contents of the quoted part included the format letter.

For instance for Danish (da_DK), the pattern is "EEE 'den' d. MMM"
If we are calling `getPatternIncluding("d", "da_DK")`, the method
would return `"den'"´, but we would like to return `"d."`.

This commit ignores pieces with apostrophe ("'") in them.

Affecting portugese, spanish, russian etc
Fixes #164

Fix bugs and missing date formats related to different locales. Improved wheel order support.