[MOS-366] Connect cellular events to HFP

Connected all (?) necessary cellular events to the HFP profile
Fixed audio issues when connected with HFP
Some cleanup

[MOS-264] Added network registration and roaming status to HFP

Connected HFP with cellular statuses

[MOS-138] Correction of URC poll mode parameters

In poll mode, the CSQ will be requested every 15 minutes
and another attempt to switch the mode will be after 1 hour.
If the keyboard is unlocked or the USB cable is connected
or the BT car kit is connected, the URCs will be operated
in the reporting mode.

[MOS-383] Fix pairing with NoInputNoOutput devices

Fixed pairing with devices without IO capabilities -
now pairing does not require confirming any passcode

[MOS-347] Separate A2DP from HFP in ProfileManager

Now, both profiles can operate separately. Additonally, minor
fixes has been applied to allow calling via car audio system.
Some infotainment systems still don't work though.

[MOS-353][MOS-387] HFP profile fixes

Fixes for the HFP-related problems - lack of the
sound from caller's phone in HF speakers and
not working BT device's hardware hangup button

[MOS-384] BT paired devices list fix

Fix of the bug that after pairing with one device
the entire list of devices that were visible at
the pairing time is transferred to paired devices
list.

[MOS-365] Add BT battery handling

Added handling of the battery state in HFP profile

[MOS-264] Add handling of signal strength and operator name in HFP

To be able to display signal strength, operator name and
rest of status indicators in Bluetooth's HFP profile, some
refactor has been done.

[MOS-240] PVS Studio analysis bugs fix

Fixes to major part of issues found
by PVS Studio static analysis
mainly micro-optimisations

[MOS-282] Librarisation of services and test service

* options work a bit better ,now services and apps are
  selectable by option in cmake
* test service example added
* major documentation for module-services
* documentation for project configs and logs

Co-authored-by: Bartosz Cichocki <sp2fet@gmail.com>
Co-authored-by: Mateusz Piesta <mateusz.piesta@mudita.com>

[MOS-124] Add Code Comparision pairing logic

Added missing logic for code comparison pairing, fixed popup text

[MOS-300] Remove unused variables

Remove unused variables from PVS Studio analysis

[MOS-296] Merge new master commits into merge-stable-wip

Merge new master commits

[MOS-296] Merge remote-tracking branch 'origin/stable'

Merge stable Harmony branch into merge wip branch

[MOS-231] Updated bt stack

Bluetooth stack updated from 1.4.1 to 1.5.1.

[MOS-123] Added bluetooth authentication popups

Added bluetooth authentication popups with different
pair methods and process info display.

[MOS-110] Statistics api for system

Gets data from freertos and prints on frequency change depending
if it's important. Gathering is not costly, printing is though.
For less intrusive checks I would rather disable names gathering
as in worst case scenario it hangs rtos context switching till
thread id is found.

[BH-1389] Catch2 unit tests optimization

Removed redundant recompilation of catch2 main
resulted in over 20% speed up of unit tests compilation.

[EGD-8138] Software closing procedure improved

Release of resources and closing of all unfinished
services and workers.