[EGD-7405] Connect HFP with audio system

Connected HFP with audio system so 2-way audio transmission is
possible

[CP-564] Reorganize desktop endpoints

Move desktop endpoint factory to a separate lib to be able to provide
different factories for different products.

[BH-874] Deactivate alarm in backend on Alarm deactivation

Deactivate alarm in backend on Alarm deactivation

[BH-909] Add BGSounds volume MVP

The following commit provides the implementation of
MVP pattern for changing volume in Backgroud Sounds app.
The implementation is restricted to basic MVP structure
and does not cover the changing volume functionality.

[BH-893] Add BGSounds progress window

The commit provides an implementation to MVP of
BackgroundsSounds ProgressWindow. The implementation
is restricted to basic UI and timer functionality.

[BH-912] Improve sys module structure

Improve structure of the module sys. Problems within this module
prevents from linking others.

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

[BH-875] Snooze settings model fix

Fixed bug in GenericSpinner.
Added proper error handling.

[EGD-7635] Alarm triggers popup

Added action from service backend integrated with alarm UI and  MVP

[EGD-6630] Integration file indexer with music player

The list of music tracks is retrieved from the database,
where they are indexed beforehand,
instead of being searched in real time in the file system.

[BH-884] Add Timer value selection window

The commit implements MVP for BackgroundSound's Timer
window. In order to print string values (e.g. OFF)
the Timer is relised by UTF8Spinner.

[EGD-7156] Fix alarm time get

Fixed alarm time get.

[EGD-7657] Fix alarm query

Fix of the alarm query to select only
nearest enabled alarm

[BH-907] Split utils module into components

Split module-utils into smaller components for better dependency
management. Fix many dependencies throughout the project.

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

[BH-891] Alarm popup fix

Fixed bug and added proper handling
of timer/input keys.

[EGD-7156] Fix alarm time set

Fixed alarm time set.

[EGD-7570] Add Alarm Clock status bar indicator

Added indicator on status bar if any alarm is on

[BH-823] Pre-wake up settings - part II

Implement Pre-wake up settings logic.

[EGD-7404] Adapt & prepare CVSD codec for usage in HFP

Adapted both codec and HFP profile to be able to work together.
Now it's possible to stream 2-way audio via HFP profile, but it
has to be integrated properly with EGD-7405

[BH-867] Temp unit save fix

Temperature unit is now correctly stored/loaded.

[EGD-7612] Add alarm popup

Added alarm popup window. Added ImageBoxWithText
widget.