[BH-1838] Relaxation plays in the background for certain song lengths

Fixed problem with occasional background playback after song has finished

[BH-1787] Reboot to MSC endpoint

To allow the automation of gathering logs and swapping out OS images during tests a MSC reboot
endpoint was added. Together with a change to ecoboot, this allows the sending of a "reboot to
MSC" command. The deivce will then reboot and enter MSC mode.

[BH-1795] Add noises to relaxation

Adding color of noises to Relaxation

[BH-1809][BH-1835] Add date format setting

Added date format selection between DD/MM and MM/DD.
The time setting has been updated.

[BH-1828] Add labels to relaxation sound list

Added labels to relaxation

[BH-1782] Add brightness fade in

* Added brightness fade in - feature
which allows for gradual frontlight
brightness rise during alarm and
power nap ringing instead of turning
on with full brightness immediately.
* Fixed possibility to close
ringing power nap by long press
of back button.

[BH-1829] New font gt pressura bold 38 added

Add new font for Harmony labels

[BH-1815] Optimalize loading music files in relaxation

Add relaxation list refresh after files added or deleted

[BH-1823] Fix relaxation start delay for specific MP3 files

Fix of the issue that when trying to play
files with large ID3V2 metadata the
playback would start with significant
delay of several seconds. It was also
possible to leave relaxation progress
window without stopping the playback.

[BH-1815] Optimalize loading music files in relaxation

Add relaxation list refresh after error occures

[BH-1815] Optimalize loading music files in relaxation

Relaxation is loading smooth with any number of files.

[BH-1648] Add shortcuts instruction to settings

The user should be able to return to the shortcuts instruction at any
time. The instructions are available in the settings.

[BH-1817] Fix alarm when the onboarding is active

The alarm shouldn't activate itself when
the onboarding is in progress. So now we check
the onboarding status before checking alarms.

Increased size of the onboarding application stack.
This should resolve the issue when somehow, the alarm is set
but there is no stack that causes the application to crash.

[BH-1787][BH-1802] Bump Harmony Ecoboot version

Ecoboot version changed from 2.0.5 to 2.0.6.

[MOS-1052] Change VoLTE label from 'beta' to 'experimental'

Changed VoLTE label from 'beta' to
'experimental'.
Fixed transition state label font
size to match the design.

[BH-1696] Charging notifications improvements

Fixes and improvements for charging notifications

[BH-1696] Notification when connect the device to the charger

Adding notifications when charger is connected

[BH-1688] Create a standard for logs

* Adding document describing how to use logger
* Adjusting logs to follow a new guide
* Change order in log header:
  line number is now before function name

[BH-1784] Replace discharged device screen

Add more information to discharged screen

[MOS-1047] Fix calling abort() in EnterNumberWindow

* Removed call to abort() method in case
EnterNumberWindow's SwitchData handler
receives message that can't be handled,
what caused the phone to crash.
* Unify ApplicationCall window names
definitions.
* Code cleanup.