[EGD-3469] Fix assets and image creation

Preparing and copying of assets to the image was unreliable.
Switched from cmake mechanism to rsync, making resulting
scheme universal and reducing output folder pollution.

[EGD-6271] Fix Calllog does not correspond changes in PhoneBook

Synchronize caller name with ContactDB

[EGD-6285] Fix system close

Add proper way of closing
system services

[EGD-6324] Update audio assets

Upload latest audio assets. Original file names preserved.

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

[EGD-5567] Add code coverage reporting

Add HTML and XML code coverage report generation with gcovr.

Cleanup unittests list - add missing googletest-gui to the unittests
list; remove dead functional tests.

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

[EGD-6082] Fix cellular start harness test

Improved cellular cold and hot start harness test

[EGD-6433] Implement SIM PIN enable request

Implement SIM PIN enable/disable request
in PinLockHandler

[EGD-6214] Add slider position reading after disabling tethering

To be able to set proper phone mode changed by the slider during
tethering, the forced readout of slider position has been added

[EGD-4736] Change PIN windows

Implement changing SIM PIN code flow

[EGD-6434] Tethering icon updated

Added an icon for tethering.

[EGD-6352] Add Factory reset mode

Stop DB service
Delete DB files
Make reboot

[EGD-6455] Add rsync to docker

Rsync is neeeded for building images

[EGD-6209] Tethering confirmation popup added

Provided a tethering confirmation popup.
The popup shows up once a USB cable is connected to a PC.

[EGD-6311] Audio settings windows

Added windows for phone call, messages, calendar and alarm clock
vibration and audio settings.

[EGD-6350] Added bluetooth device volume control

Bluetooth device volume control can be set by Pure Phone
while paired and is in A2DP mode. Temporarly disabled
HSP since it's not fully working and causing control issues.

[EGD-6389] Fix database initialization scripts UT

Tests were not passing locally due to incorrect
sql file names.

[EGD-6281] Fix microphone mute

Fix microphone mute during the phone call.
Previously phone would unmute on:
- connecting/disconnecting a jack
- turning loudspeaker on/off
- switching to the bt device.

[EGD-4734] Add PIN settings window

This window displays switch button for
disabling/enabling pin code for sim card.
Its also starting point for changing pin code.
Added actions for enabling and disabling
pin code for sim card.
Added method for checking if pin code is
set for sim card.

[EGD-6454] Remove harness from PR builds

Reorganizing builds and tests, harness will be run by QA Team.

[EGD-4651] Fix CrashDump submodule path

git:protocol requires proper credential, prevents some script to be run
correctly