[EGD-7031] Remove UT deps to the production image

Remove dependency to the production image by creating separate sysroot
for test assets alongside with a test image Test.img.

Signed-off-by: Marcin Smoczyński <smoczynski.marcin@gmail.com>

[BH-677] Add widget AlarmSetSpinner

Add widget for Bell alarm display and edit

[BH-564] Add Time&Units application

Add first version of Time&Units application (just setting time)
Remove spinner demo application

[EGD-7138] Security setting cleanup and fixes

Security setting cleanup. Removed not used torch windows.

[EGD-7136] Phone modes setting cleanup and fixes

Phone modes setting cleanup. Fixed text top padding.
Fixed titles and selector in phone modes. Updated arrows.

[EGD-7135] Display and keypad setting cleanup and fixes

Display and keypad setting cleanup. Moved settings window
Names to separate file. Added selective build options.
Fixed SpinBox arrows position. Fixed focus on window start
in InputLanguageWindow and KeypadLightWindow. Moved AutoLock
to Security. Disabled not working options in UI.

[EGD-7134] Network setting cleanup and fixes

Network setting cleanup. Added missing sim cards window.
Fixed option texts. Disabled not working options in UI.

[EGD-7036] Audio tracks updated

Music player audio tracks updated.

[EGD-5006] Add French localizations

Update localization keys to match the current ones from the English
json, and add some translations. Based on a previous patch by
mathieunicolas.

[EGD-7120] Remove old settings application

Moved valuable assets to new settings.
Removed old settings.

[EGD-6973] Fix Auto date is on by default

Automatic Date and Time is on by default

[EGD-7114] Updated reboot messages

Updated reboot messages in PL, ES, DE

[EGD-7044] Strip down calendar code

Stripping the calendar code to provide only
MVP defined functionalities

[EGD-7043] Reverted the decimal separator for Polish

The decimal separtor for Polish language is comma.

[EGD-7043] Fixes in German JSON

Added additional changes

[EGD-7043] Fixes in Polish localization

Added fixes to the Polish JSON language file.

[EGD-7043] Added 3 localizations

Polish, German, and Spanish localizations from translation
partner.

[EGD-7050] Fixed reboot copy

Fixed the copy that prompts the user to confirm
 the reboot of the phone.

[EGD-6699] Add timezone selecting window

Implementation of the time zone selection from the list
of available cities.

[EGD-6986] Add Store timezone in settings db

Adds storing current timezone in settings database.
It allows to proper handling of timezone on system startup.